An object is thrown upward at a speed of 109 feet per second by a machine from a height of 10 feet off the ground. The height h(t) after t seconds can be found using the equation h(t) = −16t 2 + 109t + 10. A) When will the height be 143 feet? B) When will the object 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.