Solve the problem.The owner of a video store has determined that the profits P of the store are approximately given by 
where x is the number of videos rented daily. Find the maximum profit to the nearest dollar.
A. $225
B. $305
C. $450
D. $530
Answer: B
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Convert as indicated. Express the answer in decimal form when needed.9 minutes to seconds
A. 540 sec B. 270 sec C. 216 sec D. 108 sec
Answer the question.Describe how the graph of y = (x + 4)2 may be obtained from the graph of y = x2.
A. Shift 4 units to the right. B. Shift 4 units to the left. C. Shift 4 units up. D. Shift 4 units down.
Simplify the expression. Assume that all variables are positive when they appear.4
+ 4
A. 28
B. 28x
C. 7
D. 4
Mark as true any statement that is always true. Mark as false any statement that is never true or that is not necessarily true. Be able to justify your answers.
1. All isometries take lines to lines, rays to rays and segments to segment. 2. If A'B' is the image of AB under a translation, then A'B ? AB 3. If ABC is translated toABC, then the area of ABC may be twice the area of ABC. 4. If point O is the center of a size transformation and A is the image of A, then OA/OA is called the scale factor of the size transformation.