Solve.log x - log(x + 4) = 1
A. - 
B. - 
C. 
D. No solution
Answer: D
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Find the polynomial of lowest degree that will approximate F(x) throughout the given interval with an error of magnitude less than than 10-3.F(x) = 
, [0, 0.5]
A. x - 
+ 
B. x - 
+ 
C. x - 
+ 
D. x - 
+ 
Subtract and simplify. Write the answer as a mixed number as needed.8
sec - 4
sec
A. 4
sec
B. 4
sec
C. 12
sec
D. 4
sec
Find the vertex.f(x) = -2x2 - 20x - 52
A. (-2, -5) B. (-5, -2) C. (2, 5) D. (5, 2)
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. 26.4 minutes C. 29.7 minutes D. 41.1 minutes