Pre-Calculus

Have pre-calculus questions? Ask a pre-calculus tutor

Related Pre-Calculus Questions
Determine whether the graph is that of a function by using
Determine whether the graph is that of a function by using the vertical-line test. If it is, use the graph to find (a) its domain and range. (b) the intercepts, if any. (c) any symmetry with respect t… read more
Tom
Master's Degree
1,325 satisfied customers
Would you solve and show me the steps for this problem
Hi Scott, Would you solve and show me the steps for this problem please? The proper angle for a ladder is about 75 degrees from the ground. Suppose you have a 9 foot ladder. How I can it reach? The so… read more
Scott
Master's Degree
17,224 satisfied customers
Write as a single trig ratio and then evaluate. (a)
Write as a single trig ratio and then evaluate. (a) 2sin105cos105 For ALL questions, you must show complete, properly labeled/drawn sketches, diagrams, graphs as well as provide complete solutions. Do… read more
DebdattaBhattacharya
Doctoral Degree
1,875 satisfied customers
Simplify Trigonometric Expressions? Can you show me how you
Simplify Trigonometric Expressions? Can you show me how you got them, please?(sin^(2)x-tan^(2)x)/(tan^(2)xsin^(2)x)… read more
Keith Pelletier
Master's Degree
222 satisfied customers
This question is asking me to find the domain and range for
Hello, This question is asking me to find the domain and range for each function. (Multiple questions). It gave me a function to apply to a graph. f(x)-2 a) I was given the graph with the coordinates … read more
Tom
Master's Degree
1,325 satisfied customers
I am require to do a 4 page double spaced essay on the
I am require to do a 4 page double spaced essay on the following algebra question: The function P(t) = 145e-0.092t models a runner's pulse, P(t), in beats per minute, t minutes after a race, where 0 ≤… read more
GLENN GILONGOS
Master of Mathematics
637 satisfied customers
How do I answer any trig identity? I have learnt all the
How do I answer any trig identity? I have learnt all the formulas, but I still can't solve some identities. So my question is how do i answer any trig identity? please help. I want an answer ASAP as m… read more
GLENN GILONGOS
Master of Mathematics
637 satisfied customers
I have a function: f(x,y)=[ ((-x^2-2y^2+4)^(1/2)) /
I have a function: f(x,y)=[ ((-x^2-2y^2+4)^(1/2)) / log(5y-4x^2) ] … read more
Ryan
Bachelor's Degree
4,665 satisfied customers
The function P(t) = 145e-0.092t models a runner's pulse,
The function P(t) = 145e-0.092t models a runner's pulse, P(t), in beats per minute, t minutes after a race, where 0 ≤ t ≤15. Graph the function using a graphing utility. TRACE along the graph and dete… read more
Sandhya_sharma
Master's Degree
Master's Degree
1,250 satisfied customers
GA-Sha do you have the answers to practical trig book number 18608600
do you have the answers to practical trig book number 18608600 also need answers to formulas book number 18601201… read more
akch2002
Master's Degree
3,212 satisfied customers
Hello, Im looking for a math teacher or tutor to help me with
Hello, I'm looking for a math teacher or tutor to help me with my Penn Foster Trigonometry exams. There are 6 exams. Each exams contains 20 questions, including some graphs questions. I have searched … read more
mathwhiz123
236 satisfied customers
Hello i need the answers to pennfoster exams 00702700,00702900,
Hello i need the answers to pennfoster exams 00702700,00702900, 00703000, 00703100, 00703200, i would like to use them as comparasion to the answer i have now. Thank you :)… read more
Stevewh
Bachelor's Degree
Bachelor's Degree
7,610 satisfied customers
1. The cosine function for a specific angle in a triangle is
1. The cosine function for a specific angle in a triangle is defined by the ratio of the triangle's A. adjacent side and opposite angle. B. opposite side and adjacent side. C. adjacent side and hypote… read more
Ryan
Bachelor's Degree
4,665 satisfied customers
1. Simplify the following expression: sin 4x cos 3x + sin 3x
1. Simplify the following expression: sin 4x cos 3x + sin 3x cos 4x 2. Use half-angle formulas to solve the given problem. Find tanx if sin (x/2)=24/26 *x represents the angle sign-looks like a 0 with… read more
Chirag
Master's Degree
10,329 satisfied customers
RRJha, you interested in helping me with this one?1.
RRJha, you interested in helping me with this one? 1. To use the law of sines, which of the following statements must be true? A. The triangle must be a right triangle. B. All three side lengths must … read more
akch2002
Master's Degree
3,212 satisfied customers
solve the given trig equations analytically and by use of a
solve the given trig equations analytically and by use of a graphing calculator.use values of theta for 0<_theta<2pi. 4sec theta + 6 = -2 theta=?… read more
David
Post-Doctoral Degree
2,112 satisfied customers
Graph the function using the techniques of shifting, compressing,
Graph the function using the techniques of shifting, compressing, stretching and/or reflecting. Start with the graph of the basic function shown.… read more
ck_mba
Computer Engineer
Master's Degree
1,397 satisfied customers
Graph the following function using the techniques of shifting,
Graph the following function using the techniques of shifting, compressing, stretching and/or reflecting. Start with graph of the basic function shown to the right. Find to domain and range of the fun… read more
Chirag
Master's Degree
10,329 satisfied customers
Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

Ask-a-doc Web sites: If you've got a quick question, you can try to get an answer from sites that say they have various specialists on hand to give quick answers... Justanswer.com.
...leave nothing to chance.
Traffic on JustAnswer rose 14 percent...and had nearly 400,000 page views in 30 days...inquiries related to stress, high blood pressure, drinking and heart pain jumped 33 percent.
Tory Johnson, GMA Workplace Contributor, discusses work-from-home jobs, such as JustAnswer in which verified Experts answer people’s questions.
I will tell you that...the things you have to go through to be an Expert are quite rigorous.

## What Customers are Saying:

Wonderful service, prompt, efficient, and accurate. Couldn't have asked for more. I cannot thank you enough for your help.

Mary C.Freshfield, Liverpool, UK

This expert is wonderful. They truly know what they are talking about, and they actually care about you. They really helped put my nerves at ease. Thank you so much!!!!

AlexLos Angeles, CA

Thank you for all your help. It is nice to know that this service is here for people like myself, who need answers fast and are not sure who to consult.

GPHesperia, CA

I couldn't be more satisfied! This is the site I will always come to when I need a second opinion.

JustinKernersville, NC

Just let me say that this encounter has been entirely professional and most helpful. I liked that I could ask additional questions and get answered in a very short turn around.

EstherWoodstock, NY

Thank you so much for taking your time and knowledge to support my concerns. Not only did you answer my questions, you even took it a step further with replying with more pertinent information I needed to know.

RobinElkton, Maryland

He answered my question promptly and gave me accurate, detailed information. If all of your experts are half as good, you have a great thing going here.

DianeDallas, TX

< Previous | Next >

## Meet the Experts:

rajeevanpillai

Master's Degree

490 satisfied customers

B.Sc in Mathematics and M.Sc, M Phil in Statistics

Mr. Gregory White

Master's Degree

167 satisfied customers

M.A., M.S. Education / Educational Administration

mhasan420

Master's Degree

37 satisfied customers

BA Maths, Oxford

JACUSTOMER-yrynbdjl-

Master's Degree

13 satisfied customers

I have taught college Mathematics for the past 10 years.

Dr. Arthur Rubin

Doctoral Degree

12 satisfied customers

Ph.D. in Mathematics, 1978, from the California Institute of Technology, over 20 published papers

Sandhya_sharma

Master's Degree

1,250 satisfied customers

I hold M.Sc and M.Phil degrees in math and have several years of teaching experience.

Kofi

PhD in Statistics

888 satisfied customers

Masters in Mathematics and Statistics

< Previous | Next >

Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

Show MoreShow Less