A rock is being launched into the air. 15 feet away from the launch site is a lamp. If the rock is travelling vertically upwards at 6 feet per second, what is the rate of change of the angle of elevation (θ) from the lamp to the rock when the rock is 45 feet off the ground? Submit an exact answer.

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a

step-by-step explanation:

when a number is between two straight lines it means the absolute value.

to find absolute value you need to know how many numbers is that number away from 0.

when finding absolute value the number will always come out positive

so absolute value of -3 is 3

absolute value of 3/2 is 3/2

absolute value of -2 is 2

absolute value of 3.5 is 3.5

absolute value of -1 is 1

now put these numbers in order:

a)   |-1|, |3/2|, |-2|, |-3|, |3.5|