Question

If ƒ(x) = 2x2 + 3, then which of the following represent ƒ(-1)?

Answer 1

If your answer choices are.

- 1, 1, 4

Then put - fr x

f(-1)=2(-1)^2+3

f(-1)=2(1)+3

f(-1)=2+3

f(-1)=5

So the answer is 5

Answer 2

easy, put - fr x
f(-1)=2(-1)^2+3
f(-1)=2(1)+3
f(-1)=2+3
f(-1)=5