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Answer:
This question is pretty simple, half the values given are just to confuse you
notice that we are given a function which gives us the height of the rock at any given time, so if we use that function for t=2 seconds, we will get the height of the rock after 2 seconds
We are given the function:
<em>h(t) = -16t² - 50t + 220</em>
replacing t with 2
<em>h(2) = -16(2)² - 50(2) + 220</em>
<em>h(2) = -16(4) - 100 + 220</em>
<em>h(2) = -64 - 100 + 220</em>
h(2) = 56 feet
Therefore, the height of the rock 2 seconds after throwing is 56 m
Answer: -11
Step-by-step explanation:
n+n+1+n+2=-33
n+n+n+1+2=-33
3n=-33-1-2
3n=-36
n=-12
n+1= ==> middle integer
-12+1=-11