Mathematics: Me with letter b & in advance

Me with letter b & in advance - id2794299, kevenluna10oytivm

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26.07.2020

Option A. $\{-12.8,-6.4,0,6.4,12.8\}$

Step-by-step explanation:

we have

f(x)=3.2x

we know that

To find the range, substitute each value of x of the domain and find the value of f(x)

For x=-4 -----> f(-4)=3.2(-4)=-12.8

For x=-2 -----> f(-2)=3.2(-2)=-6.4

For x=0 -----> f(0)=3.2(0)=0

For x=2 -----> f(2)=3.2(2)=6.4

For x=4 -----> f(4)=3.2(-4)=12.8

therefore

The range is $\{-12.8,-6.4,0,6.4,12.8\}$

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