Use a finite approximation to estimate the area under the graph of the given function on the stated interval as instructed.f(x) = x2 between x = 0 and x = 2 using a lower sum with two rectangles of equal width.
A. 1
B. 2.5
C. 4.5
D. 5
Answer: A
Mathematics
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Simplify the expression.1 - 
A. cos2x B. cot x csc x C. tan x sec x D. sin2x
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Solve.Find the difference of 533 and 87.
A. 620 B. 446 C. 440 D. 346
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Provide an appropriate response.The test scores of 40 driver license applicants are summarized in the frequency table below. Find the standard deviation. 
Round your answer to one decimal place.
A. 12.7 B. 13.4 C. 12.0 D. 12.1 E. 14.1
Mathematics
Solve the problem using the elimination method.Two angles are supplementary, and one is 5° more than six times the other. Find the larger angle.
A. 70° B. 110° C. 155° D. 25°
Mathematics