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Addison is selling giant chocolate bars for the choir fundraiser. The choir program will earn $3 for every bar that she
sells. She uses the function y = 3x to calculate how much she earns.
Given the domain of {9, 15, 18, 21, 27}, what is the range?
a
b
{3, 5, 6, 7, 93
9 275x581
{27, 45, 54, 63, 81}
С
d

Answer :

Given:

The function is

[tex]y=3x[/tex]

Domain of the function is {9, 15, 18, 21, 27}.

To find:

The range of the function.

Solution:

We have,

[tex]y=3x[/tex]

Domain is set of input (x-values) and range is the set of output (y-values).

Domain =  {9, 15, 18, 21, 27}

For x=9,

[tex]y=3(9)=27[/tex]

For x=15,

[tex]y=3(15)=45[/tex]

For x=18,

[tex]y=3(18)=54[/tex]

For x=21,

[tex]y=3(21)=63[/tex]

For x=27,

[tex]y=3(27)=81[/tex]

So, the y-values are 27, 45, 54, 63, 81.

Therefore, the range of the function is {27, 45, 54, 63, 81}.

Note: Options are not in proper form.

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