The function f(x) is graphed below. How many points on the graph represent a relative extreme value?
b
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a

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Steve wants to develop a way to find the total cost of any item including sales tax. the sales tax in his city is 6%. his friend jenna writes the expression x + 6x where x is the cost of the item. explain whether her expression is correct based on the situation.

Me n o w. i need t h i s. 10 points