Find the indicated matrix product or state that the product is undefined.A = 
, B = 
AB
A. 
B. 
C. Undefined
D. 
Answer: C
Mathematics
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What is the maximum value of
?
Consider x-values between 3 and 12 only.
A. 
B. ?
C. ?
D. There is no solution.
Mathematics
Differentiate the function and find the slope of the tangent line at the given value of the independent variable.s = -3t4 - 5t3, t = -1
A. -3 B. 3 C. -27 D. 27
Mathematics
Sketch the region which is defined by the given conditions.? ? ? ? 
, r = -4
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.If the rectangle below is a golden rectangle(with 2x as the shorter side), then the approximate value of x is
A. 144. B. 161.8. C. 72. D. 116.5. E. none of these
Mathematics