Simplify.
÷ 
÷ 
A. - 
B. - 
C. - 
D. - 
Answer: C
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Use logarithmic differentiation to find the derivative of y.y = 
A. 
B. 
(ln x + ln(x + 8) - ln(x4 + 7))
C. 5
D. 
+ 
- 
Solve the problem.Let f(x) = cos x, g(x) = x - ?/6, and h(x) = 3x. Find g(?).
A. 3? B. 5?/6 C. 7?/6 D. -1
Solve the problem.A small toy company that only makes action figures is owned by its stockholders. The dividend per share of stock is a function of the number of action figures it sells and is defined by 
where x is the number of action figures sold. What is the dividend for each share of stock if 1350 action figures are sold?
A. $1.59 B. -$1.46 C. -$268.48 D. $1.46
Solve the problem.Find the length of the unknown side of the right triangle, where a and b are the legs and c is the hypotenuse. a = 6, b = 8, c = ?
A. c = 10 B. c = 7 C. c = 9 D. c = 5