When you multiply a function by -1, what is the effect on its graph? a. the graph flips over the line y = x. b. the graph flips over the y-axis. c. the graph flips over the x-axis.

C.

If you multiply a function by , you are inverting its sign. It means that you have the parent function , and the child function .

This means that, if you choose the same input , it will be mapped once to , and once to .

So, if you draw the two graphs, you will associate two opposite values to the same value.

This kind of transformation, is exactly a reflection with respect to the axis.

C.The graph flips over the x- axis

Step-by-step explanation:

We are given that a function multiply by -1.

We have to find the effect on its graph.

Let f(x) be the original function.

Multiply by -1 then we get

-f(x)

It means f(x) convert into -f(x).

The transformation rule when reflection across x- axis is given by

Suppose, f(x)=x+1

Hence, the graph flips over the x- axis.

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step-by-step explanation:

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step-by-step explanation:

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