If f (x) = - 2x2 + 2x - 3, what is f (5) ?

A) - 93

B) - 43

C) - 28

D) -

43/5

Question

Mathematics

Emery Luna

30 March, 21:55

If f (x) = - 2x2 + 2x - 3, what is f (5) ?

A) - 93

B) - 43

C) - 28

D) -

43/5

+2

Answers (1)

Know the Answer?

Jacqueline Mckay · Answer 1

The answer to your question is letter B

Step-by-step explanation:

Process

1. - Write the function

f (x) = - 2x² + 2x - 3

Find f (5)

2. - Substitute x for 5

f (5) = - 2 (5) ⁵ + 2 (5) - 3

3. - Simplify

f (5) = - 2 (25) + 10 - 3

f (5) = - 50 + 7

f (5) = - 43

If f (x) = - 2x2 + 2x - 3, what is f (5) ?A) - 93B) - 43C) - 28D) -43/5

If f (x) = - 2x2 + 2x - 3, what is f (5) ?

A) - 93

B) - 43

C) - 28

D) -

43/5