What is the equation of the line that passes through (0, 3) and (7,0)?
2 answers:
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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:
The answer is unreasonable because the value of x is between 2 and 3.The error is : she did not introducing logs in solving the equation.
Step-by-step explanation:
The question is
Here answers is unreasonable because, she can test with powers of seven like;
7²=49
7³=343
So this means the value of x lies between 2 and 3, so here answer 11.71 is unreasonable
b) In this case, to solve the equation, introduce logs both sides
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Keywords :Equation, error
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