The height of a ball after being dropped from a point 100 feet above the ground is given by h = −16t 2 + 100, where t is the time in seconds since the ball was dropped and h is in feet. a. When will the ball be 60 feet above the ground? b. When will the ball reach the ground?

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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.