Solve the problem.Michael decides to walk to the mall to do some errands. He leaves home, walks 5 blocks in 16 minutes at a constant speed, and realizes that he forgot his wallet at home. So Michael runs back in 12 minutes. At home, it takes him 3 minutes to find his wallet and close the door. Michael walks 3 blocks in 12 minutes and then decides to jog to the mall. It takes him 10 minutes to get to the mall which is 4 blocks away. Draw a graph of Michael's distance from home (in blocks) as a function of time. 
What will be an ideal response?
Mathematics
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Use the Concavity Theorem to determine where the given function is concave up and where it is concave down. Also find all inflection points.T(t) = 2t - t3
A. Concave up on (-?, 0) ? (1, ?), concave down on (0, 1); inflection points (0, 0), (1, 2) B. Concave up on (-?, 0), concave down on (0, ?); inflection point (0, 0) C. Concave up on (0, ?), concave down on (-?, 0); inflection point (0, 0) D. Concave down for all t, no points of inflection
Mathematics
Subtract. Check by adding.
A. 54,575 B. 48,575 C. 48,569 D. 48,469
Mathematics
Perform the indicated operations.22 - 53 + 52 - 23
A. -104 B. 104 C. -96 D. 96
Mathematics
Simplify. Do not use negative exponents in your answer.
-4
A. 
B. x24y16w4z20
C. 
D. 
Mathematics