Evaluate the definite integral and interpret the result.
A. 
; the total shaded area is equal to 
.
B. - 
; the shaded area above the x-axis minus the shaded area below the x-axis is equal to - 
.
C. 
; the shaded area above the x-axis minus the shaded area below the x-axis is equal to 
.
D. 
; the total shaded area is equal to 
.
Answer: B
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Compute the gradient of the function at the given point.
A. ?f = 
i - 
j
B. ?f = 
i + 
j
C. ?f = - 
i - 
j
D. ?f = - 
i + 
j
In 
, m
= 60° and BC = 12. Find AB.
A. 3
B. 
C. 6
D. 
Solve the problem.If a rocket is propelled upward from ground level, its height h in meters after t sec is given by h(t) = -9.8t2 + 98t. During what interval of time will the rocket be higher than 
A. 3 sec < t < 7 sec B. 0 sec < t < 7 sec C. 6 sec < t < 10 sec D. 0 sec < t < 3 sec
Use a table to find the indicated limit.
(ex - e-x)
A. does not exist B. 1 C. 2 D. 0