Simplify using the zero-power rule.(2b)0
A. 0
B. b
C. 2
D. 1
Answer: D
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Compare the right-hand and left-hand derivatives to determine whether or not the function is differentiable at the point whose coordinates are given.
? y = x2 y = 
A. Since limx?1+ f '(x) = 2 while limx?1- f '(x) = 
, f(x) is not differentiable at 
B. Since limx?1+ f '(x) = 
while limx?1- f '(x) = 2, f(x) is not differentiable at 
C. Since limx?1+ f '(x) = 
while limx?1- f '(x) = 1, f(x) is not differentiable at 
D. Since limx?1+ f '(x) = 2 while limx?1- f '(x) = 2, f(x) is differentiable at 
Find the flux of the vector field F across the surface S in the indicated direction.F = 5xi + 5yj + z5k; S is portion of the cylinder x2 + y2 = 1 between z = 0 and z = 3; direction is outward
A. 30? B. -30? C. 15 D. 30
(3a - 4b)(4a2 - 2b) =
a. 12a3 + 16ab2 + 6ab - 8ab2 b. 12a3 - 16a2b - 6ab - 8 c. 12a3 - 16a2b - 6ab + 8b2 d. 4a3 - 6ab + 8b2 e. 4a3 + 6ab + 16b2
Sketch the graph and find the area of the region bounded by the graph of the function f and lines 
, 
and 
.
?
?
A. ?
sq units.
?
B. ?
sq units.
?
C. ?
sq units.
?
D. ?
sq units.
?