Answer:
f^-1(x)= -x/5 - 4/5
Step-by-step explanation:
The sales tax rate is 5%.
Step-by-step explanation:
Given,
Sales tax for an item = $24.50
Cost of item before tax = $490
Sales tax rate = 

The sales tax rate is 5%.
Keywords: sales tax, percentage
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6x - 1 = 2(-6)
6x = - 11
x = - 11/6
i am a mathematics teacher. if anything to ask please pm me
15,000 divided by 7 is greater than 800 but this question could have a number of possible answers
If I did the math right the answer should be 1,750