A rock is thrown upward from the top of a 144-foot high cliff overlooking the ocean at a speed of 128 feet per second. The rock’s height above ocean can be modeled by the equation H(t)=−16t^2+128t+144. When does the rock reach it's maximum height?
What is the maximum height of the rock?
When does the rock hit the ocean?

answer: the value should be used for i in the formula of calculation the monthly payment , the interest rate per period is 0.85.

step-by-step explanation:

the given rate of interest i= 85%

in calculating the monthly payment for a loan with an interest rate compounded monthly, the value of the interest rate per period we use in the formula must be in decimal form.

to convert it in decimal, we divide it by 100, we get

hence, the value should be used for i in the formula of calculation the monthly payment , the interest rate per period is 0.85.

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step-by-step explanation:

11

step-by-step explanation:

32.50-7.50=25

225/25=11

thus, the first answer choice, y = sec x, is the correct one