12x + 3x = ___? Please explain
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The number of shoppers is an illustration of an exponential function.
The expression for the number of shoppers is:
The given parameters are:
<em /><em> -- the number of shoppers on the first day of business</em>
<em /><em> --- the rate</em>
<em />
Because, the number of shoppers <em>increases each day</em>, the number of shopper on a certain day is:
Substitute 15% for r
Express percentage as decimal
Substitute 150 for a
Hence, the expression for the number of shoppers is:
Read more about exponential functions at: