Solve the quadratic inequality. Write the solution set in interval notation.(5 + 4x)2 ? -4
A. 
? 
B. ?
C. 
D. (-?, ?)
Answer: D
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Graph the function f(x) over the given interval. Partition the interval into 4 subintervals of equal length. Then add to your sketch the rectangles associated with the Riemann sum 
, using the indicated point in the kth subinterval for ck.f(x) = -2x - 1, [0, 2], left-hand endpoint
A. 
B. 
C. 
D. 
Solve.The following table lists the number of crimes in the last few years in a US city.
Estimate the average number of crimes in these four years.
A. About 122 B. About 127 C. About 126 D. About 124
Find the LCD of the given fractions by prime factorization.
and 
A. 225 B. 5 C. -225 D. 1125
Solve the problem.A triangle has a base of length x + 2 and a height of x + 8 and has an area of 36 square units. Find the base and height. (A = 
bh)
A. base = 6 units; height = 12 units B. base = 6 units; height = 6 units C. base = 4 units; height = 9 units D. base = 8 units; height = 9 units