Approximate the area under the graph of f(x) and above the x-axis using n rectangles.f(x) = 2x3 - 1 from x = 1 to x = 6; n = 5; use right endpoints
A. 825
B. 850
C. 875
D. 800
Answer: C
Mathematics
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Solve the equation by the square root property. If possible, simplify radicals or rationalize denominators. Express imaginary solutions in the form 
x2 - 4x + 4 = 81
A. {-7, 11} B. {-11, 7} C. {11} D. {-79, 83}
Mathematics
Find the period of the function.y = sin 5x
A. 2?
B. 
C. 1
D. 5
Mathematics
Solve the equation.8n - 6 = 130 - 9n
A. n = -8 B. n = 9 C. n = 7 D. n = 8
Mathematics
Factor:
Mathematics