Use the Quadratic Formula to solve the equation.
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A. 
B. 
C. 
D. 
E. 
Answer: D
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Find the number of terms in the arithmetic sequence.6, 13, 20, . . . , 174
A. 24 B. 26 C. 25 D. 23
Find the intervals on which the function is increasing and the intervals on which the function is decreasing.f(x) = -x2 + 4x + 12
A. Increasing on (2, ?); decreasing on (-?, 2) B. Increasing on (-?, - 2); decreasing on (- 2, ?) C. Increasing on (-?, 2); decreasing on (2, ?) D. Increasing on (- 2, ?); decreasing on (-?, - 2)
Use the graph of the equation 
shown below to identify the graph of one complete cycle of the equation 
.
?
?
A. ?
B. ?
C. ?
D. ?
E. ?
Solve.A small business owner made $30,000 the first year he owned his store and made an additional 
over the previous year in each subsequent year. Find how much he made during his fourth year of business. Find his total earnings during the first four years. (Round to the nearest cent, if necessary.)
A. $62,208.00; $223,248.00 B. $31,836.24; $123,648.24 C. $51,840.00; $161,040.00 D. $0.24; $30,612.24