A rock is thrown into the air from the Golden Gate Bridge and falls into the water below. The height of the rock, h metres, relative to the water t seconds after being thrown is given by h=-5r + 201 + 10. a) Find the maximum height the rock reaches. Show your algebraic work. b) How long does it take the rock to reach this height? c) Correct to one decimal point, how long does it take the rock to reach the water?

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A: Explanation of the answer as follows:

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A: detailed solution is given below

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A: The given equation is x-3+6=5

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A: -5x+3≥-1

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A: topic - equations

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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.