Evaluate the determinant by expansion by minors.
A. -45
B. -18
C. 1566
D. -1566
Answer: D
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Evaluate the iterated integral.
A. 6
B. 
C. 12
D. 
Solve the problem.Michael decides to walk to the mall to do some errands. He leaves home, walks 3 blocks in 11 minutes at a constant speed, and realizes that he forgot his wallet at home. So Michael runs back in 8 minutes. At home, it takes him 3 minutes to find his wallet and close the door. Michael walks 5 blocks in 15 minutes and then decides to jog to the mall. It takes him 6 minutes to get to the mall which is 2 blocks away. Draw a graph of Michael's distance from home (in blocks) as a function of time. 
What will be an ideal response?
Graph the function. Show at least one period.y = 4 cos
A. 
B. 
C. 
D. 
Answer the question or complete the sentence to make a true statement.When the absolute value of a positive number equals the absolute value of a negative number, the sum of the positive and the negative number is .
A. Not known B. Negative C. Positive D. Zero