F(x)=2(5x+7) find f(-2)

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03-03-2021
Mathematics

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F(x)=2(5x+7) find f(-2)

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saga2006 saga2006 · Answer 1 · 2021-03-03T16:38:54+01:00

saga2006 saga2006

03-03-2021

Oh how fun, functions!! You substitute f(-2) into your starting function so it will look like this:
f(x)=2(5x+7)
f(x)=10x+14
f(-2)=10(-2)+14
f(-2)=(-20)+14
f(-2)=(-6)
divide by negative 2 on each side to find f:
f=3
Hope this helped!!

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