The graph shows the total sales in thousand of dollars from the distribution of x thousand catalogs. Find the average rate of change of sales with respect to the number of catalogs distributed for the change in x.
40 to 50
A. 10
B. 5
C. 1
D. 2
Answer: C
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Find the first few nonzero terms of the Maclaurin series for the given function.f(x) = xecos x
A. ex - e3x3 + . . .
B. ex - 
+ . . .
C. x - 
+ . . .
D. x - x3 + . . .
Provide an appropriate response.
and 
__________.
A. coincide B. intersect C. are perpendicular D. are parallel
Solve.An arch in the shape of the upper half of an ellipse is used to support a bridge spanning a creek 40 feet wide. The center of the arch is 10 feet above the center of the creek. What is the height of the arch at a distance 12 feet from the center of the creek?
A. 3 feet B. 8 feet C. 0.8 foot D. 10 feet
Provide an appropriate response.Decide whether the elimination method or the substitution method involves the least amount of work. Do not solve.x + 3y = 0x - 3y = 18
A. Elimination B. Substitution