F(x) = 3x² - 5x+20 Find f(-8)

Granmirupa asked Oct 4, 2023

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F(x) = 3x² - 5x+20
Find f(-8)

Granmirupa asked Oct 4, 2023

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20 votes

Answer:

Substitute x = -8 into f(x).

f(-8) = 3(-8)² - 5(-8) + 20

= 3(64) + 40 + 20

= 192 + 60

= 252

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