Solve and graph.5x - 2 ? -7 and 5x + 1 ? 21
A. [-1,4]
B. (-?, -1] ? [4, ?)
C. [4, ?)
D. [-1, ?)
Answer: C
Mathematics
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Find the present value for the given future amount. Round to the nearest cent.A = $4700, 10 years r = 5% compounded annually
A. $7655.80 B. $1814.61 C. $2885.39 D. $3029.66
Mathematics
Find the volume of the described solid.The base of a solid is the region between the curve y = 6cos x and the x-axis from x = 0 to 
. The cross sections perpendicular to the x-axis are squares with bases running from the x-axis to the curve.
A. 9?
B. 3?
C. 18?
D. 
?
Mathematics
Match the graph with its function using the x-intercepts.
A. f(x) = 2(x + 5)2 + 3(x + 5) - 5 B. f(x) = 2(x - 5)2 + 3(x - 5) - 5 C. f(x) = 2(x + 5)2 - 3(x + 5) - 5 D. f(x) = 2(x - 5)2 - 3(x - 5) - 5
Mathematics
Graph the circle.x2 + y2 - 10x = -6y - 18 
A. 
B. 
C. 
D. 
Mathematics