Solve the problem.The daily profit, in dollars, of a specialty cake shop is given by 
where x is the number of cakes made. Find the output at the vertex of the parabola (the number of cakes that should be made per day in order to maximize profit).
A. 676 cakes
B. 3380 cakes
C. 52 cakes
D. 26 cakes
Answer: D
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Describe a one-to-one correspondence between the given set and one of its proper subsets. For example, if we gave you the set {3, 5, 7, 9, 11, ...}, the nth term is 2n +1. You could then write the correspondence by matching the elements of {3, 5, 7, 9, 11, ...} with the elements of the subset {5, 7, 9, 11, 13, ...}. The general correspondence would match 2n + 1 with 2n + 3.{5, 6, 7, 8, ...}
A.
| 5, | 6, | 7, | 8, ..., | n + 4, | ... |
| ? | ? | ? | ? | ? |
| 4, | 5, | 6, | 7, ..., | n + 3, | ... |
B.
| 5, | 6, | 7, | 8, ..., | n + 4, | ... |
| ? | ? | ? | ? | ? |
| 6, | 7, | 8, | 9, ..., | n + 5, | ... |
C.
| 5, | 6, | 7, | 8, ..., | n + 4, | ... |
| ? | ? | ? | ? | ? |
| 6, | 7, | 8, | 9, ..., | n + 6, | ... |
D.
| 5, | 6, | 7, | 8, ..., | n + 5, | ... |
| ? | ? | ? | ? | ? |
| 4, | 5, | 6, | 7, ..., | n + 3, | ... |
Write the number in trigonometric form. Let 0° ? ? < 360°.4
- 4i
A. 8(cos 30° + i sin 30°) B. 8(cos 300° + i sin 300°) C. 8(cos 60° + i sin 60°) D. 8(cos 330° + i sin 330°)
Perform the indicated operation and simplify.
- 
A. 
B. 11
C. 
D. 
Find the indicated intercept(s) of the graph of the function.y-intercept of f(x) = 
A. 
B. (0, 3)
C. 
D. none