Question

Find f(-3) for the function: f(x)= -2x^2+5x+7 show steps

Answer 1

Explanation:

f(-3)= -2(-3)^2 + 5(-3) + 7

-2(9) - 15 + 7

-18 - 15 + 7

-33 + 7 = -26

Answer 2

f(-3) = -26

Explanation:

To find the answer plug -3 in for every x in the equation. Like this:

`-2(-3)^(2) +5(-3)+7`

Now, simplify:

-2(9) - 15 + 7 Square -3.

-18 - 15 + 7 Multiply -2 by 9.

-26 Simplify.

So, f(-3) = -26.

Hope this helps! If you have any questions feel free to leave them in the comments!