Find the length of the curve.x = 
(t2 + 6) 3/2, y = 6t, 0 ? t ? 1
A. 20
B. 
C. 
D. 
Answer: C
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Sam starts walking from point A at 1 miles per hour. One-half hour later, Paul starts walking from point A at 1.5 miles per hour and follows the same route. How long will it take Paul to catch up with Sam?
A. 60 minutes B. 65 minutes C. 55 minutes D. 70 minutes
Determine an appropriate viewing window for the given function and use it to display its graph.f(x) = 
A. 
B. 
C. 
D. 
Solve the problem.A 6-pound puppy is gaining weight at a rate of 
lb per week. How much more time will it take for the puppy's weight to exceed 22
lb?
A. more than 25 weeks
B. more than 43 weeks
C. more than 12
week(s)
D. more than 26 weeks
Find the maximum and minimum values of the objective function f subject to the stated constraints.f = 4x + 5y, subject to2x - 4y ? 10,2x + y ? 15,0 ? x ? 9,0 ? y ? 5.
A. Maximum: 75; Minimum: 0 B. Maximum: 46; Minimum: 33 C. Maximum: 75; Minimum: 20 D. Maximum: 61; Minimum: 33