The rocket is on the ground when s(t) = 0, initially att= 0 seconds and then later when it returns to the ground after being launched vertically into the air. Solve s(t) = 0 for t> 0 to determine how many seconds it takes the launched rocket to return to the ground. 120Vt- 15t2 = 0 %3D 15 = 0 seconds

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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.