Use a finite sum to estimate the average value of the function on the given interval by partitioning the interval and evaluating the function at the midpoints of the subintervals.f(t) = 3 - 
2 on [0, 4] divided into 4 subintervals
A. 
B. 
C. 3
D. 
Answer: A
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Graph the function as a solid curve and its inverse as a dashed curve.f(x) = x3 + 1 
A. 
B. 
C. 
D. 
A hemisphere-shaped dome of radius 70 ft is to be coated with a layer of rust-proofer before painting. Use differentials to estimate the amount of rust-proofer needed if the coat is to be 0.03 in. thick.
?
Hint: The volume of a hemisphere of radius r is 
.
?
A. 76.97 ft3 B. ?76.54 ft3 C. ?77.54 ft3 D. ?76.78 ft3
Write the expression for the general (or nth) term, an, of the arithmetic sequence. Then, find the indicated term of the arithmetic sequence.a = -2, d = 5; find an and a6
A. an = -7 + 5n, a6 = 23 B. an = -7 - 5n, a6 = 23 C. an = -2 + 5n, a6 = 23 D. an = -7 + 5n, a6 = 68
Find the perimeter of the polygon.
A. 31 m B. 35 m C. 37 m D. 34 m