Question

Evaluate the function f(x) = –2x2 – 3x + 5 for the input value –3.

Answer 1

just so u know, ur output value is f(x) and ur input value is x

f(x) = -2x^2 - 3x + 5....when ur input value(x) is -3

f(-3) = -2(-3^2) - 3(-3) + 5 =
f(-3) = -2(9) + 9 + 5
f(-3) = -18 + 14
f(-3) = -4 <==

Answer 2

By evaluating the function in x = -3, we will see that:

f(-3) = -4

How to evaluate a function?

Evaluating a function in a given number means that we just need to replace the variable by the given number.

Here we want to evaluate:

f(x) = -2*x^2 - 3*x + 5

in x = -3

We will get:

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

      = -2*9 + 9 + 5 = -18 + 9 + 5 = -4

Then we have:

f(-3) = -4

If you want to learn more about evaluating functions, you can read:

https://brainly.com/question/4344214