Use the square root property to solve the equation.x2 = 225
A. 112.5
B. 15
C. -16, 16
D. -15, 15
Answer: D
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Find all solutions.x3 - 7x2 + 10x = 0
A. {5, 2} B. {-5, -2} C. {0, 5, 2} D. {0, -5, -2}
Solve the problem.The profit that a vendor makes per day by selling x pretzels is given by the function 
Find the number of pretzels that must be sold to maximize profit.
A. 260 pretzels B. 1.2 pretzels C. 300 pretzels D. 600 pretzels
Because the derivative of a function represents both the slope of the tangent to the curve and the instantaneous rate of change of the function, it is possible to use information about one to gain information about the other. In this problem, use the graph of the function 
given in the figure.
?
?
At what point(s) A through E is the rate of change of f (x) equal to zero?
?
A. A C E B. B E C. B D D. B C E. A B C
Find the following. Assume that letters can represent any real number.
A. 
- 9
B. 9 - x
C. x - 9
D. 