Given the matrices A and B, find the matrix product AB.A = 
, B = 
Find AB.
A. AB is not defined.
B. 
C. 
D. 
Answer: A
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Solve the problem.The diameters of bolts produced by a certain machine are normally distributed with a mean of 0.30 inches and a standard deviation of 0.01 inches. What percentage of bolts will have a diameter greater than 0.32 inches?
A. 2.28% B. 97.72% C. 37.45% D. 47.72%
Solve the problem.The cost C, in dollars, to produce graphing calculators is given by the function C(x) = 55x + 3500, where x is the number of calculators produced. How many calculators can be produced if the cost is limited to $119,000?
A. 1900 calculators B. 2227 calculators C. 2380 calculators D. 2100 calculators
Find the indicated partial sum for the sequence.37, 87, 137, . . . ; S10
A. -1880 B. -2435 C. 2620 D. 2435
Find an equation for the graph.
A. y = 2 cos 
x
B. y = 2 cos 3x
C. y = 3 cos 2x
D. y = 3 cos 
x