Provide the proper response.In defining the definite integral for f(x) on the interval [a,b], we compute ?x = 
. If the integral is being used to define area under a curve, then what does ?x represent?
A. It represents the width of the single rectangle used to approximate the area.
B. It represents the width of the rectangles used to approximate the area.
C. It represents the height of the rectangle used to approximate the area.
D. None of the above
Answer: B
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Determine the slope and the y-intercept for the linear equation. Use the slope and the y-intercept to sketch the graph of the equation.5x - 9y = 45
A. m = 5, y-intercept: (0, -9)
B. m = - 
, y-intercept: (0, 5)
C. m = 
, y-intercept: (0, 9)
D. m = 
, y-intercept: (0, -5)
Find the derivative of the given function.y = 1.2 cos-1 3t
A. - 
B. 
C. 
D. - 
The general term of a sequence is given. Determine whether the given sequence is arithmetic, geometric, or neither. If the sequence is arithmetic, find the common difference; if it is geometric, find the common ratio.an = 4n2
A. arithmetic, d = 4
B. geometric, r = 
C. geometric, r = 4
D. neither
Factor.x2 + 5x - 66
A. (x - 11)(x + 6) B. (x - 11)(x + 1) C. (x + 11)(x - 6) D. Prime