Solve the problem.To find the distance AB across a river, a distance BC of 321 m is laid off on one side of the river. It is found that B = 108.9° and 
Find AB. Round to the nearest meter.
A. 129 meters
B. 102 meters
C. 132 meters
D. 99 meters
Answer: A
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Solve the problem.Find the acceleration at time t = 9 s if the position (in cm) of a particle moving along a line is 
at time t.
A. 310 cm/s2 B. 1323 cm/s2 C. 310 cm/s D. 1323 cm/s
Answer the question.The function:f(x) = 
is zero at x = 0 and x = 1 and differentiable on (0, 1), but its derivative on (0,1) is never zero. Does this example contradict Rolle's Theorem?
What will be an ideal response?
Rewrite the trigonometric expression as an algebraic expression involving the variable u. Assume that 
and that the value of the "inner" inverse trigonometric expression represents an angle ? such that 
tan (sin-1 u)
A. 
B. 
C. 
D. 
Explain how the graph of f can be obtained from the graph of y = 
or y = 
. f(x) = 
+ 10
A. Shift the graph of y = 
to the left 3 units and downward 10 units.
B. Shift the graph of y = 
to the left 10 units and downward 3 units.
C. Shift the graph of y = 
to the right 10 units and upward 3 units.
D. Shift the graph of y = 
to the right 3 units and upward 10 units.