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 - 3x + 4 from x = 1 to x = 5; n = 4
A. 48
B. 38
C. 28
D. 18
Answer: C
Mathematics
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Multiply the polynomials.(2y - 1)(-8y2 - y + 6)
A. -16y3 + 13y - 6 B. -10y2 + 13y - 6 C. -16y3 + 10y2 + 13y - 6 D. -16y3 + 6y2 + 13y - 6
Mathematics
Solve. x - z = -73x - y = -1 x + y + z = 18
A. (-1, -2, 6) B. (2, 7, 9) C. (1, 9, 8) D. (3, 5, 10)
Mathematics
The area of a circle is 27.5 
. To the nearest tenth of a square inch, find the area of the square that is circumscribed about this circle.
What will be an ideal response?
Mathematics
Suppose a ball is hit at an angle of 60° from point A on the 4.5' by 9' billiards table shown below. Will the ball hit the sides of the table at least five times before going into a pocket? Explain your answer.
Mathematics