exam
Maths Puzzle
Numerical Ability
how do you solve and then graph the parabola: y= -x(to the second power) + 2x+3
this is not from a textbook***
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The revenue, in dollars, when x pairs of shoes are sold is given by 3x² -95. Find the revenue when 12 pairs of shoes are sold. What is the average revenue per pair of shoes?
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