Students have _____ minutes to complete the Aspire reading test.
2 answers:
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Given: The entrance fee in contest = $20 and
Winner prize amount = $500.
Also what is left over after paying the winner the function :
f(x) = 20x-500, describes how much money Micah earns if x people enter the contest.
Solution: Let us find inverse function first.
Writing given function in terms of y.
y = 20x-500
Switching x and y, we get
x = 20y -500.
Now, solving it for y, we get
x +500 = 20y
.