Convert the radian measure to degrees. Round to the nearest hundredth if necessary.- 
A. - 
°
B. -90?°
C. -90°
D. -1.57°
Answer: C
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Find the gradient ?f.f(x, y, z) = xy3ex + z
A. ex + z[(xy3 + y3)i + 3xy2j + k] B. (xy3ex + y3)i + 3xy2ex + zj + ezk] C. ex + z[(3xy2 + y3)i + 3xy2j + k] D. (xy3ex + z + y3ex + z)i + 3xy2ex + zj + ezk]
Graph the function f(x) over the given interval. Partition the interval into 4 subintervals of equal length. Then add to your sketch the rectangles associated with the Riemann sum 
, using the indicated point in the kth subinterval for ck.f(x) = cos x + 1, [0, 2?], right-hand endpoint
A. 
B. 
C. 
D. 
Solve the problem.The appliance store where the Jordans shop offers a 9% discount for paying cash. The Jordans received a discount of $48. What was their total bill before the discount? Round to the nearest dollar.
A. $533 B. $4 C. $5 D. $400
Find all zeros of the function and write the polynomial as a product of linear factors.f(x) = 3x4 + 7x3 + 14x2 + 28x + 8
A. f(x) = (3x - 1)(x - 2)(x + 2)(x - 2) B. f(x) = (3x + 1)(x + 2)(x + 2i)(x - 2i) C. f(x) = (3x - 1)(x - 2)(x + 2i)(x - 2i) D. f(x) = (3x + 1)(x + 2)(x + 2)(x - 2)