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What dictates a horizontal stretch in a function?

A) Coefficient of x
B) Coefficient of y
C) Amplitude
D) Period

User Schteppe
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Final answer:

The coefficient of x dictates a horizontal stretch in a function.

Step-by-step explanation:

The coefficient of x dictates a horizontal stretch in a function.

When a coefficient other than 1 is multiplied with x in a function, it affects the horizontal stretch or compression of the graph. If the coefficient is greater than 1, it will stretch the graph horizontally, and if the coefficient is between 0 and 1, it will compress the graph horizontally.

For example, consider the function y = 2x. The coefficient 2 will stretch the graph of the function horizontally, making it wider than the graph of y = x.

User Abubakkar
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