Evaluate f(x)= 5x^2-9x at the given value of x. f(4) f(4)= (simplify your answer)

asked Dec 16, 2020 135k views

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Evaluate f(x)= 5x^2-9x at the given value of x.

f(4)
f(4)= (simplify your answer)

by Caity

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Answer:

f(4) = 44

Explanation:

To evaluate f(4) substitute x = 4 into f(x)

f(4) = 5(4)² - (9 × 4) = (5 × 16) - 36 = 80 - 36 = 44

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