Provide an appropriate response.How many real solutions are possible for a system of equations whose graphs are a parabola and a circle?
A. 1, 2, 3, or 4 solutions
B. 0, 1, 2, or 3 solutions
C. 0, 1, 2, 3, 4, or 5 solutions
D. 0, 1, 2, 3, or 4 solutions
Answer: D
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The graph of a one-to-one function f is given. Draw the graph of the inverse function f-1 as a dashed line or curve.f(x) = 
A. 
B. 
Solve the problem.A retailer knows that n games can be sold in a month if the price is 
dollars per game. If he buys each game for $8, and if he wishes to make a profit of at least $160 per month on sales of this game, how many games must he sell each month?
A. 20 ? n ? 40 B. 20 ? n ? 30 C. 20 ? n ? 20 D. 20 ? n ? 60
Find the perimeter of the figure.
A. 7x - 3 B. x2 - 3 C. 8x - 3 D. 7x
Find all the numbers for which the rational expression is defined.
A. x ? 0, y ? 1 B. x ? -y C. x ? y D. x ? 1 and y ? 2