Find f"(x) for the function.f(x) = 
4
A. 
2 + 
3
B. - 
2 + 
3
C. 12 
2
D. - 
3
Answer: A
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Multiply. Express the product in lowest terms.
? 
A. 
B. 
C. 
D. 
Solve the problem.A rectangle with sides parallel to the axes is inscribed in the region bounded by the axes and the line 
Find the maximum area of this rectangle.
A. 
B. 
C. 
D. 
Solve the equation. Make sure you check your final solution(s).
+ 
= 
A. x = 216 B. x = 36 C. x = 0 D. x = 54
Solve the problem.A cup of coffee is heated to 194° and is then allowed to cool in a room whose air temperature is 
After 11 minutes, the temperature of the cup of coffee is 
Find the time needed for the coffee to cool to a temperature of 102°. Assume the cooling follows Newton's Law of Cooling: U = T + (Uo - T)ekt.(Round your answer to one decimal place.)
A. 15.1 minutes B. 29.7 minutes C. 26.4 minutes D. 41.1 minutes