Given the function f(x)=-5x^2-2x+20 find f(3)

asked Jul 1, 2019 153k views

1 vote

by Kyw

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6 votes

$f(x)=-5x^2-2x+20\\\\f(3)\to\text{put x=3 to the equation of the function f}\\\\f(3)=-5(3^2)-2(3)+20=-5(9)-6+20=-45-6+20=-31\\\\Answer:\ f(3)=-31$

Nibin answered Jul 5, 2019

by Nibin

6.6k points

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