Approximate the area under the curve and above the x-axis using n rectangles. Use left endpoints.f(x) = 2x + 3 from x = 0 to x = 2; n = 4

A. 9
B. 24
C. 18
D. 11


Answer: A

Mathematics

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A.
B.
C.
D.

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A sequenceis defined recursively by the equation for n?3 where =14, =14.

What will be an ideal response?

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Perform the transformation.Write sec x in terms of sin x.

A.
B. ± 
C.
D.

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Give the coordinates of the vertex and graph the equation in a window that includes the vertex.y = 2x2 - 12x + 22

A. Vertex: (-4, -3)

B. Vertex: (-3, -4)

C. Vertex: (4, 3)

D. Vertex: (3, 4)

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