Use the piecewise-defined function to fill in the bla.f(x)={4, -4<x<-2,2x-4, -1<x<2, 3x, 2<=x<5}a.

melodykap

melodykap

Answered question

2021-02-21

Use the piecewise-defined function to fill in the bla
.
f(x)={4,4<x<2,2x4,1<x<2,3x,2x<5}
1) The domain ____ is used when graphing the function f(x)=2x4.
2) The equation ____ is used to find f(4)=12.

Answer & Explanation

insonsipthinye

insonsipthinye

Skilled2021-02-22Added 83 answers

1) The x values constitute the domain, so determining the domain for graphing

f(x)=2x4,

you need to determine what values this piece is defined for. Derived from the partially defined function

f(x)=2x4

is defined for −1 

2)

If you are finding f(4), then x=4.

The domain that contains  x=4 is derived from the piecemeal defined function.

is 2x<.

This domain is for the piece of f(x)=3x.

Thus, the equation f(x)=3x is used to find f(4)=12.

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