Match the function with the graph that best describes the situation.The amount of rainfall as a function of time, if the rain fell more and more softly.
A. 
B. 
C. 
D. 
Answer: A
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You sell earrings for $6.33 each. You paid $57.21 for supplies to make the earrings. Which of the following is a correct formula for the profit P, in dollars, you make from making and selling E earrings? ?
A. 
B. ?
C. ?
D. ?
Solve the problem.If an object is propelled upward with an initial velocity of 112 feet per second, then its height in feet after t seconds is given by h = 112t - 16t2. Find the maximum height attained by the object.
A. 191 feet B. 196 feet C. 206 feet D. 201 feet
Solve.A sphere has a radius of 3 in. If the radius is decreased by x in., express the volume of the sphere as a function of x. What is the domain of V = f(x)?
A. V = 
?(x - 3)3: 0 ? x ? 3
B. V = 
?(3 - x)3: x ? 3
C. V = 
?(3 - x)3: 0 ? x < 3
D. V = 
?(3 - x)3: 0 < x < 3
Factor the difference of two squares completely.36 - 49x2
A. (6 + 7x)2 B. (6 - 7x)2 C. (6 + 7x)(6 - 7x) D. Prime