Use interval notation to write the solution set of the inequality.x2 - 7x + 12 > 0
A. (3, 4)
B. (-?, 3) ? (4, ?)
C. (-?, 3)
D. (4, ?)
Answer: B
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Write the expression in simplest form. If a radical appears in the denominator, rationalize the denominator.
A. 
B. 
C. 
D. 
Find the indicated sum, difference, product, or quotient and then evaluate.f(x) = x - 1, g(x) = 7x + 8Find (f/g)(5).
A. 
B. 
C. - 
D. 
Describe the strength and direction of the linear correlation.
A. Weak positive linear correlation B. Little or no linear correlation C. Weak negative linear correlation D. Strong positive linear correlation
Solve the problem.The manufacturer of a CD player has found that the revenue R (in dollars) is
when the unit price is p dollars. If the manufacturer sets the price p to maximize revenue, what is the maximum revenue to the nearest whole dollar?
A. $627,200 B. $78,400 C. $313,600 D. $156,800