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Suppose that f is integrable...

Suppose that f is integrable, and that *integrate f(z)dz=5 from 1 to 8* and *integrate f(z)dz=10 from 1 to 9*. Find the Value of the following definite integrals.

a) integrate f(z)dz from 8 to 9 =

b) integrate f(z)dz from 9 to 8 =

a) integrate f(z)dz from 8 to 9 =

b) integrate f(z)dz from 9 to 8 =

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