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If abcde is reflected over the x-axis and then translated 3 units left, what are the new coordinates d? are he re

Charlie is at an amusement park that has 18 different rides. each ride costs $1.75. the function c(r) = 1.75r represents the total amount of money that charlie will spend if he goes on r rides, but he never goes on the same one more than once. what domain and range are reasonable for the function?

A+b= 17, ab=70, find the value of |a-b|