Question

\[\int\limits_{-9}^{-3} f(x)=2 \int\limits_{-9}^{-7} f(x) = 4 \int\limits_{-5}^{-3} = 3 What is \int\limits_{-7}^{-5} f(x)=? and \int\limits_{-5}^{-7} (2f(x)-4) = ?\]

Answer 1

I dont get this at all.....

Answer 2

f(x)=-5?

Answer 3

so f(x) from -7,-5 isnt -5?