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 = 3 and x = 7 using an upper sum with four rectangles of equal width.
A. 86
B. 117
C. 126
D. 105
Answer: C
Mathematics
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at t = 3? for the function w(x, y) = x2 - y2 - 9x; x = cost, y = sin t.
A. -13 B. -11 C. 0 D. -7
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Write the quotients with positive exponents.
A. 4k B. 15 C. 4k2 D. 15k2
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Solve the problem.Triangle A has sides measuring 5 feet, 12 feet and 13 feet; triangle B has sides measuring 5 feet, 12 feet and 
Which triangles, if any, are right triangles?
A. A B. B C. A and B D. neither triangle
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Following the order of operations, evaluate by working from left to right.-4 ? (24) ÷ (-6)
A. 16
B. -16
C. 
D. - 
Mathematics