Two mechanics worked on a car. The first mechanic worked for 15 hours, and the second mechanic worked for 5 hours. Together they
charged a total of $1075. What was the rate charged per hour by each mechanic if the sum of the two rates was $105 per hour?
1 answer:
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Whenever you can invert a function, you have that the graphs of and its inverse
are reflected with respect to the line
So, given any point on the graph of , you can simply swap its coordinates to get the correspondent point on the original function
As an example, all exponential functions pass through the point , while all the logarithmic functions pass through the point