CPM Homework Help : AC Problem 11-5

After noon, the number of people in Mal-Wart grows steadily until 6:00 p.m. If the equation $y = 228 + 58x$ represents the number of people in the store $x$ hours after noon:

How many people were in the store at noon?
Hint (a):
Find the starting value in the equation.

At what rate is the number of shoppers growing?
Hint (b):
Find the growth rate in the equation.
When were there $402$ shoppers in the store?
Hint (c):
Set the equation equal to $402$ and solve for $x$ .

Use the eTool below to solve the parts in the problem.
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