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) = 2x2 + x + 3 from x = 0 to x = 6; n = 6
A. 211
B. 221
C. 230
D. 200
Answer: B
Mathematics
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Provide an appropriate response.Can the expression a2 + b2 be factored?
A. Yes B. No
Mathematics
Determine a window that will provide a comprehensive graph of the polynomial function.y = 2x4 + 2x3 - 4x2 - 3x - 6
A. [-10, 10] by [-8, 8] B. [-2, 2] by [-10, -5] C. [-5, 5] by [-5, 5] D. [-3, 3] by [-10, 5]
Mathematics
Solve the system graphically.y = 2x + 3y = -3x - 7
A. (-2, 0) B. (2, 1) C. (-2, 1) D. (-2, -1)
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Find an equation of the ellipse that satisfies the conditions.Vertices (-1, 3) and (7, 3), foci (0, 3) and (6, 3).
A. 
B. 
C. 
D. 
E. 
Mathematics