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4. The cube root parent function is reflected across the x-axis, vertically stretched by a factor of 3 then
translated 8 units down. Write an equation that could represent this function.


Sagot :

Using translation concepts, it is found that the equation is given by:

[tex]y = -3\sqrt[3]{x} - 8[/tex]

What is a translation?

A translation is represented by a change in the function graph, according to operations such as multiplication or sum/subtraction in it's definition.

The parent cube root function is given by:

[tex]y = \sqrt[3]{x}[/tex]

It was reflected across the x-axis, that is, multiplied by -1, hence:

[tex]y = -\sqrt[3]{x}[/tex]

It was vertically stretched by a factor of 3, hence:

[tex]y = -3\sqrt[3]{x}[/tex]

Then, it was translated 8 units down, hence:

[tex]y = -3\sqrt[3]{x} - 8[/tex]

More can be learned about translation concepts at https://brainly.com/question/4521517