alyssaholcombe alyssaholcombe

22-10-2019
Mathematics

contestada

The functions f and g are defined as follows. =fx=−4x2x gx+−2x2 Find f−5 and g4. Simplify your answers as much as possible.

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codyt1400078441 codyt1400078441

22-10-2019

Answer:

g(-4)=68

Step-by-step explanation:

Plug x = -3 into f(x) to get

f(x)=4x+2

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

f(-3)=-12+2

f(-3)=-10

---------------------

Plug x = -4 into g(x) to get

g(x)=4x^2-x

g(-4)=4(-4)^2-(-4)

g(-4)=4(16)-(-4)

g(-4)=64+4

g(-4)=68

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