Mariana is 10 years old and has grown 7 inches in 2 years. when she was 8 years old, she was 52 inches tall and began recording her height. mariana writes and graphs a function that models her height in inches over time in years. what is the initial value for this function?

Suppose that the price p (in dollars) and the weekly sales x (in thousands of units) of a certain commodity satisfy the demand equation 4p cubedplusx squaredequals38 comma 400. determine the rate at which sales are changing at a time when xequals80, pequals20, and the price is falling at the rate of $.20 per week.

Find the value of x that will make l ll m

If 25% of y is 30, what is 60% of y?