Solve the problem.Does the graph of the function y = 2x + 4 sin x have any horizontal tangents in the interval 
If so, where?
A. Yes, at x = 
, x = 
B. No
C. Yes, at x = 
, x = 
D. Yes, at x = 
Answer: C
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Perform the indicated operation and simplify.
? 
A. 
B. 
C. 
D. 
Solve the problem.Find the amount in a savings account at the end of 5 years if the amount originally deposited is $4000 and the interest rate is 6% compounded quarterly.Use: A = P
ntwhere:A = final amountP = $4000 (the initial deposit)r = 6% = 0.06 (the annual rate of interest)n = 4 (the number of times interest is compounded each year)t = 5 (the duration of the deposit in years)
A. $5387.42 B. $5926.16 C. $4309.14 D. $81,200.00
Solve the polynomial equation.x3 + 27 = 0
A. x = 
, 
± 
B. x = 3, 
± 
C. x = -3, 
+ 
, - 
- 
D. x = -3, 
± 
If an open box has a square base and a volume of 500 in.3 and is constructed from a tin sheet, find the dimensions of the box, assuming a minimum amount of material is used in its construction. ?
A. 
B. 
C. ?
D. ?