Approximate the area under the curve and above the x-axis using n rectangles. Let the height of each rectangle be given by the value of the function at the right side of the rectangle.y = 2x3 - 1 from x = 1 to x = 6; n = 5
A. 825
B. 875
C. 800
D. 850
Answer: B
Mathematics
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Solve.If the population of a certain country doubles in 24.76 years, find the growth rate k. Assume that the population increases exponentially.
A. 8.2% B. 5.7% C. 3.1% D. 2.8%
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Use a sum or difference identity to find the exact value.tan 
A. 2 - 
B. - 2 - 
C. 2 + 
D. - 2 + 
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Write the number without exponents.1.43 × 100
A. 0 B. 1.43 C. 14.3 D. 0.143
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Solve, finding all solutions in [0, 2?). Give an exact answer unless indicated otherwise.5.4 sin x - 2.7
= 0
A. 
, 
B. 
, 
C. 
, 
D. 
, 
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