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.y = x2 - 3x + 4 from x = 1 to x = 5; n = 4
A. 18
B. 28
C. 48
D. 38
Answer: B
Mathematics
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A. (8, 4?/3 + 2n?), (-8, ?/3 + 2n?) B. (8, 4?/3 + 2n?), (-8, 2?/3 + 2n?) C. (8, 4?/3 + 2n?), (-8, -?/3 + 2n?) D. (8, ?/3 + 2n?), (8, 4?/3 + 2n?)
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Use the factor theorem to determine whether the first quantity is a factor of the second quantity.3x4 - 28x2 + 9, x - 3
A. No B. Yes
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Provide an appropriate response.Can the sum be simplified without first simplifying the individual radical expressions?
+ 
A. Yes B. No
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Find the standard equation of the circle that satisfies the conditions.Center (-1, 3), radius 
A. (x - 1)2 + (y + 3)2 = 6 B. (x - 3)2 + (y + 1)2 = 36 C. (x + 3)2 + (y - 1)2 = 36 D. (x + 1)2 + (y - 3)2 = 6
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