Differentiate.y = 
A. 
B. 
C. ex + 
D. 
Answer: B
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For the given expression y', find y'' and sketch the general shape of the graph of y = f(x). y' = 
- 4
A. 
B. 
C. 
D. 
Provide an appropriate response.Starting at middle A with a frequency of 437 cps, find the frequency of the note five half-steps above middle A.
A. 584 B. 606 C. 419 D. 579
Solve.The MetroCity paint company is planning to produce a new line of paint. The paint will be produced by the gallon. For the first year, the fixed costs for setting up production are $4000. The variable costs for producing each gallon are $15. The revenue for each gallon is $40. Find the total profit P(x) from the production and sale of x gallons.
A. P(x) = 15x - 4000 B. P(x) = 25x - 4000 C. P(x) = 4000x D. P(x) = 4000 + 15x
Solve the problem.Mardi received an inheritance of 
. She invested part at 12% and deposited the remainder in tax-free bonds at 9%. Her total annual income from the investments was 
. Find the amount invested at 12%.
A. $40,000 B. $20,000 C. $39,000 D. $44,300