Question

For f(x) = 3x²-x+5, 2f(-3) - f(2)​

Answer 1

This is a step by step answer to your question in picture format. Hope this help.

Answer 2

55

Explanation:

First solve for f(-3):

`f(-3) = 3(-3)^2-(-3)+5`

`f(-3)=3(9)+3+5`

`f(-3)=27+3+5`

`f(-3) = 35`

Second solve for f(2):

`f(2) = 3(2)^2-(2)+5`

`f(2) = 3(4)-(2)+5`

`f(2) = 12-2+5`

`f(2) = 15`

Now plug in f(-3) and f(2) to the expression:

`2(f(-3))-(f(2)) =`

`2(35)-(15)=`

`70-15=55`