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 the midpoint sum with four rectangles of equal width.
A. 126
B. 105
C. 117
D. 86
Answer: B
Mathematics
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Evaluate the factorial expression.
, where n = 51 and r = 8
A. 2.567 × 1013 B. 2.567 × 1012 C. 5.134 × 1013 D. 2.567 × 1014
Mathematics
Find the area of the figure. Use 3.14 for ?. Round your answer to the nearest tenth.
A. 3.1 m2 B. 1.6 m2 C. 0.8 m2 D. Not enough data
Mathematics
Solve the problem.The length of the diagonal of a box is given by D = 
where L, W, and H are the length, width, and height of the box. Find the length of the diagonal, D, of a box that is 
long, 
high, and 
wide. Give the exact value.
A. 30 ft
B. 
ft
C. 
ft
D. 10 ft
Mathematics
Solve the equation by completing the square.z2 + 16z + 43 = 0
A. {8 ± 
}
B. {-8 ± 
}
C. {8 + 
}
D. {-16 + 
}
Mathematics