Perform the indicated matrix operations.Let A = 
and B = 
. Find 2A + 3B.
A. 
B. 
C. 
D. 
Answer: A
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The length of skid marks when a car skids to a stop is a power function of the speed the car is traveling when brakes are applied. The value of the power in this function is 
. If the skid mark length is multiplied by 2.19, how is the speed affected? Round your answer to two decimal places if necessary.
?
A. Stride length is multiplied by 4.8. B. Stride length is multiplied by 1.52. C. Stride length is multiplied by 1.48. D. Stride length is multiplied by 5.54.
Find the prime factorization of the number.45
A. 9 ? 3 B. 32 ? 5 C. 52 D. 9 ? 5
Vector v has the given magnitude and direction. Find the horizontal or vertical component of v, as indicated, if ? is the direction angle of v from the horizontal. Round to the nearest tenth when necessary.? = 23.7°, ?v? = 751; Find the vertical component of v.
A. 687.7 B. 301.9 C. 989.6 D. 385.8
Determine if the given function y = f(x) is a solution of the accompanying differential equation.Differential equation: y' = e- 6x - 6yInitial condition: y(- 6) = 0Solution candidate: y = (x + 6)e- 6x
A. No B. Yes