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In this lesson, we will learn how to find the rule of a function whose graph is of a sine or cosine function that has been stretched in the x-direction or y-direction.

Q1:

Which function is represented on the graph?

Q2:

The figure shows the graph of π¦ = π₯ s i n .

Which of the following is a graph of π¦ = 2 π₯ s i n ?

Q3:

Write the equation of the trigonometric function seen in the given figure.

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