After a 125% markup and a 10% discount, he the price of a watch is $30.78 before tax. What was the wholesale price?
1 answer:
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we have the function
we know that
In the equation of the exponential function of the form
a is the initial value
b is the base
x is the exponent
The initial value is the value of the function when the value of x is equal to zero
in this problem
for
the initial value is the point
therefore
the answer in the attached figure
