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.f(x) = x2 from x = 0 to x = 4; n = 4
A. 36
B. 33
C. 27
D. 30
Answer: D
Mathematics
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Solve the equation.
x = 
A. 
B. {3}
C. 
D. {-3}
Mathematics
Find the specified minor and cofactor for the matrix A.M21 and A21 if A = 
A. M21 = -27 and A21 = 77 B. M21 = -24 and A21 = 24 C. M21 = -24 and A21 = -24 D. M21 = -27 and A21 = -27
Mathematics
Graph the system of inequalities.
- 
? 1x2 + y2 ? 36
A. 
B. 
C. 
D. 
Mathematics
Use the binomial theorem to expand the expression.(x - y)5
A. -x5 + 5x4y - 10x3y2 + 10x2y3 - 5xy4 + y5 B. x5 + 5x4y + 10x3y2 + 10x2y3 + 5xy4 + y5 C. x5 - y5 D. x5 - 5x4y + 10x3y2 - 10x2y3 + 5xy4 - y5
Mathematics