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## Question

If the function f(x)=mx+b has an inverse function, which statement must be true

## Answer

Answer:a) m ≠ 0Step-by-step explanation:Given: The function y = mx + b has an inverse function.The given function is the equation of a line in slope-intercept form.m is the slope and y-intercept is b.Given that the function has an inverse function, therefore, the slope must not be equal to zero.What if the slope is zero, if the slope is zero, then there will not be an inverse function.Therefore, the answer is m≠ 0.

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