Question

If f(x) = 6x – 9, evaluate f(x)/3 for x = -5 a. –7 b. –13 c. 7 d. 13

Answer 1

$f(x)=6x-9\\\\\dfrac{f(-5)}{3}=\dfrac{6\cdot(-5)-9}{3}=\dfrac{-30-9}{3}=\dfrac{-39}{3}=\boxed{-13}$