Ricky is not necessarily correct, as inductive reasoning does not yield certain truths.
56 is 75% of
74.6667Convert the percentage into a decimal by dividing it over 100:

Divide 56 over 0.75:
Answer:
We have been given the step function:
We need to find the function from the given graph
The function will be 
Whenever we put different values of y we will get the values of y which should be the value according to the graph.
We will convert 121 min in hours since, graph shows the x-axis in hours.
hours
So, since we need to find cost to park for 121 minutes or 2.01 hours we will put x=2.01 in the formed function above:


And
being a floor function which always consider the next integer to the decimal inside the function.

is the cost for 121 minutes or 2.01 hours
Therefore, option c is correct that is $6.