chapter 3.7 problem 38 ladder 13 ft long rests against a vertical wall and is sliding down the wall at the rate 3ft/s at the instant the foot of ladder is 5ft from teh base of the wall. at this instant, how fast is the foot of the ladder moving away from the wall?

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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.