Calculate the arc length of the indicated portion of the curve r(t).r(t) = (1 - 9t)i + (5 + 2t)j + (6t - 5)k, -10 ? t ? 6
A. 176
B. 1,936
C. -484
D. -44
Answer: A
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Find the absolute maxima and minima of the function on the given domain.
on the trapezoidal region with vertices 
and 
A. Absolute maximum: 9 at 
absolute minimum: 5 at 
B. Absolute maximum: 8 at 
absolute minimum: 0 at 
C. Absolute maximum: 10 at 
absolute minimum: 5 at 
D. Absolute maximum: 9 at 
absolute minimum: 0 at 
Solve the problem.The table below shows a recipe to make 1 or 2 servings of hot chocolate. Servings 
To make 5 servings, how much of each ingredient would you use?
A. hot chocolate = 8
Tbs; water = 7
cups; vanilla = 1
tsp
B. hot chocolate = 7
Tbs; water = 6
cups; vanilla = 2
tsp
C. hot chocolate = 7
Tbs; water = 6
cups; vanilla = 1
tsp
D. hot chocolate = 7
Tbs; water = 7
cups; vanilla = 1
tsp
Graph the function.f(x) = 
A. 
B. 
C. 
D. 
Use your calculator to approximate the integral using the method indicated, with n = 100. Round your answer to four decimal places.
dx (trapezoidal rule)
A. 7.3891 B. 6.2903 C. 6.3895 D. 6.3893