Differentiate.f(x) = (4x - 4)(
+ 2)
A. f'(x) = 2.67x1/2 - 2x-1/2 + 8
B. f'(x) = 2.67x1/2 - 4x-1/2 + 8
C. f'(x) = 6x1/2 - 4x-1/2 + 8
D. f'(x) = 6x1/2 - 2x-1/2 + 8
Answer: D
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Solve the problem.A construction crane lifts a 100-lb bucket originally containing 155 lb of sand at a constant rate. The sand leaks out at a constant rate so that there is only 77.5 lb of sand left when the crane reaches a height of 60 feet. How much work is done by the crane?
A. 12,975 ft ? lb B. 2925 ft ? lb C. 15,300 ft ? lb D. 6975 ft ? lb
Construct a truth table for the statement.(~p ? q) ? (p ? q)
A. 
T T F F F F
T F F F T F
F T T F F F
F F T T F F
B. 
T T F T T T
T F F T F F
F T T T T T
F F T F T T
C. 
T T F T T T
T F F T F F
F T T T T T
F F T F T F
D. 
T T F F F F
T F F F T T
F T T F F F
F F T T F T
Find the arc length function s(t) for the curve defined by r(t) = FIGURE 1.png)
costi+ FIGURE 1.png)
sintj+ FIGURE 1.png)
k for t?0. Then use this result to find a parametrization of C in terms of s.
What will be an ideal response?
Provide an appropriate response.Tree-Mark Industries pays $90.00 for unfinished wood furniture and sells it at a markup of 35% on cost. The selling price is $121.50.
A. True B. False