Question

If f(x)=2x2(squared) -10 ,find f(5)

Answer 1

A:90
B:10
C:7.5
D:40

Answer 2

plug in 5 for x

f(5) = 2(5)² =

Answer 3

\(\Huge\color{#EB00FF}{\text{WELCOME}}\) \(\Huge\color{blue}{\text{TO}}\) \(\Huge\color{green}{\text{OPEN}}\)\(\Huge\color{purple }{\text{ STUDY!!!!!!!!!!!}}\) \(\Huge\heartsuit\)

Answer 4

So the answer would be 10? @Peachpi

Answer 5

no. use PEMDAS.
square the 5 first, then multiply by 2, then subtract 10

f(5) = 2(5)² - 10
= 2(25) - 10
= 50 - 10
= 40

Answer 6

I'm sorry about all the questions but how did you get 25 @peachpi

Answer 7

because 5² = 5 * 5 = 25

Answer 8

Thank you so much

Answer 9

@peachpi