Question

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

- 1
1
4
5

Answer 1

5

Explanation:

f(- 1) = 2.(- 1)² + 3

f(- 1) = 2 + 3

f (- 1) = 5

this is right right

Answer 2

5

Explanation:

Just change x to - 1:

f(- 1) = 2.(- 1)² + 3

f(- 1) = 2 + 3

f (- 1) = 5

I hope I helped you.