paulk47847 paulk47847

16-09-2021
Mathematics

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What is f(−3) for the function f(a)=−2a2−5a+4?

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natejean29 natejean29

16-09-2021

Answer:

f(-3)

f(a) = -2a² - 5a + 4

Substitute a with its value, -3

f(-3) = -2(-3²) - 5(-3) + 4

f(-3) = -2(9) + 15 + 4

f(-3) = -18 + 19

f(-3) = 1

the value of f(-3) is 1.

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16-09-2021

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