what is the equation of the graph that represents the parent function f(x) = x4 stretched vertically by a factor of 2, and then
1 answer:
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Answer: First option.
Step-by-step explanation:
According to the explained in the exercise, "c" represents the cost of the shirt before sales tax.
You know that the tax on the shirt is 0.07 times its cost. This indicates a multiplication.
Then, that the sales tax is the product of 0.07 and "c":
Knowing that the sales tax for a shirt is $1.26, you can substitute this value into in order to find the equation that could be used to find the cost of the shirt before sales tax.
Then, this is: