Question

Find the range of the function f(x)=4x-7 if the domain is -5-1,3,8 enter values from lowest to highest

Answer 1

Range is {-27, -11, 5, 25}.

Explanation:

Given:

`f(x)=4x-7` and domain is {-5, -1, 3, 8}

When
`x=-5`, we get

`f(-5)=(4* -5)-7\\f(-5)=-20-7\\f(-5)=-27`

When
`x=-1`,we get

`f(-1)=(4* -1)-7\\f(-1)=-4-7\\f(-1)=-11`

When
`x=3`, we get

`f(3)=(4* 3)-7\\f(3)=12-7\\f(3)=5`

When
`x=8`, we get

`f(8)=(4* 8)-7\\f(8)=32-7\\f(8)=25`

For all domain we get the values -27, -11, 5, 25.

So, the range is all the values of
`f(x)` that is given above.

Range is {-27, -11, 5, 25}.