zeke4OO zeke4OO

15-12-2021
Mathematics

contestada

Which of the following is equivalent to the function f(x) = 2x² + 8 when the
domain of f is x = 3

Respuesta :

sely0218 sely0218

15-12-2021

Answer:

0, 10, 42

Step-by-step explanation:

f(x) = 2x² - 8

for x = -2

f(-2) = 2(-2)² - 8 = 2(4) - 8 = 8 - 8 = 0

for x = 3

f(3) = 2(3)² - 8 = 2(9) - 8 = 18 - 8 = 10

for x = 5

f(5) = 2(5)² - 8 = 2(25) - 8 = 50 - 8 = 42

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