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) = 2x + 3 from x = 0 to x = 2; n = 4
A. 17
B. 11
C. 13
D. 15
Answer: B
Mathematics
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A. Vertical parabola B. Horizontal hyperbola C. Horizontal parabola D. Vertical hyperbola
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Provide an appropriate response.Subtract: 31,144 - 2,591
A. 28,653 B. 28,553 C. 29,653 D. 29,553
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Identify the figure as a line, segment, or ray. Then use the correct symbol to name the figure.
A. line segment; 
B. ray; 
C. line segment;
D. line; 
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Find the slope of the line through the pair of points.(-5.8, -3.4) and (7.7, 4.1) Round to the nearest tenth.
A. 7.5 B. -0.6 C. 13.5 D. 0.6
Mathematics