Use a table or a calculator to evaluate the function. Round to four decimal places.cot 0.2265
A. 0.9745
B. 4.3393
C. 1.0262
D. 0.2305
Answer: B
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Solve the system by the substitution method.
A. {(-3, -6), (-3, 6), (3, 0)} B. {(-3, -6), (3, 0)} C. {(-3, -6), (-3, 6)} D. {(-3, -6)}
Solve the problem.The charges for renting a moving van are $65 for the first 30 miles and $8 for each additional mile. Assume that a fraction of a mile is rounded up. Find a symbolic representation for a function f that computes the cost of driving the van x miles, where 
(Hint: express f as a piecewise-constant function.) Then, determine the cost of driving the van 90 miles.
A. f(x) = 
; $6330
B. f(x) = 
; $545
C. f(x) = 
; $1025
D. f(x) = 
; $1025
A heavy rope, 40 ft long, weighs 0.7 lb/ft and hangs over the edge of a building 110 ft high. How much work is done in pulling the rope to the top of the building?
a. 670 ft-lb b. 650 ft-lb c. 560 ft-lb d. 630 ft-lb e. 660 ft-lb
Evaluate the integral.
A. 
- 2
B. 
C. - 
D. 7