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 a right sum with four rectangles of equal width.
A. 126
B. 105
C. 86
D. 117
Answer: A
Mathematics
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Solve the differential equation.x
= 
- 6y, x > 0
A. y = x6(sin x + C), x > 0 B. y = x6(cos x + C), x > 0 C. y = x-6(sin x + C), x > 0 D. y = x-6(cos x + C), x > 0
Mathematics
Given y = f(u) and u = g(x), find dy/dx = f'(g(x))g'(x).y = sin u, u = 2x + 12
A. 2 cos (2x + 12) B. - cos (2x + 12) C. cos (2x + 12) D. - 2 cos (2x + 12)
Mathematics
Add.4,48461220
A. 13,904 B. 13,994 C. 14,894 D. 15,004
Mathematics
Choose the value which could represent the slope of the line. Assume that the scale on the x-axis is the same as the scale on the y-axis.
A. 1
B. 0
C. undefined
D. 
Mathematics