A tennis coach asked your help to create a perfect return shot. Given the conditions on the figure, (a) find the horizontal velocity of the tennis B 7 t ball at A so that it just clears the net at B. Also, find the (b) distance s where the ball strikes the C 3.35 ft ground. 19.5 ft

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Equations and Inequations

Equations and inequalities describe the relationship between two mathematical expressions.

Linear Functions

A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.