jacksonnatalia12 jacksonnatalia12

16-10-2021
Mathematics

contestada

Pre-calc
Evaluate f(2) using substitution:
f(x) = 2x^3 – 3x^2– 18x-8

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goddessboi goddessboi

16-10-2021

Answer:

f(2) = -40

Step-by-step explanation:

Just substitute x=2 into the function:

f(x) = 2x³ - 3x² - 18x - 8

f(2) = 2(2)³ - 3(2)² - 18(2) - 8

f(2) = 2(8) - 3(4) - 36 - 8

f(2) = 16 - 12 - 44

f(2) = 4 - 44

f(2) = -40

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