4 years ago

If f(x) = x^3+2x^2-5, then what is f(-3)

Mathematics

1 answer:

andrew11 [14]4 years ago

7 0

Answer:

f(- 3) = - 14

Step-by-step explanation:

To evaluate f(- 3) substitute x = - 3 into f(x), that is

f(- 3) = (- 3)³ + 2(- 3)² - 5 = - 27 + 2(9) - 5 = 27 + 18 - 5 = - 14

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