Middle School

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Given the function [tex]f(x) = -5x^2 - x + 20[/tex], find [tex]f(3)[/tex].

A. [tex]-28[/tex]
B. [tex]-13[/tex]
C. [tex]62[/tex]
D. [tex]64[/tex]

Answer :

Answer: -28

Step-by-step explanation: The value of given function at x = 3 is -28

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Rewritten by : Barada

f(x) = −5x2 − x + 20, find f(3).

Substitute x = 3 into the function

f(3) = −5(3)^2 − 3 + 20

f(3) = -45 - 3 + 20

f(3) = -28

Answer

−28