Compare the right-hand and left-hand derivatives to determine whether or not the function is differentiable at the point whose coordinates are given.
? y = x2 y = 
A. Since limx?1+ f '(x) = 
while limx?1- f '(x) = 2, f(x) is not differentiable at 
B. Since limx?1+ f '(x) = 
while limx?1- f '(x) = 1, f(x) is not differentiable at 
C. Since limx?1+ f '(x) = 2 while limx?1- f '(x) = 
, f(x) is not differentiable at 
D. Since limx?1+ f '(x) = 2 while limx?1- f '(x) = 2, f(x) is differentiable at 
Answer: A
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Provide an appropriate response. After Alaska and Hawaii joined the union, the total land area of the United States changed from 2,963,680 square miles to 3,540,940 square miles. What was the percent of increase to the nearest hundredth percent?
A. 19.48% B. 1.19% C. 83.70% D. 119.48%
Write the first five terms of the geometric sequence with the given information.The first term is 8 and the common ratio is - 
.
A. 8, -32, 128, -512, 2048
B. 8, - 2, 
, - 
, 
C. 2, - 
, - 
, - 
, - 
D. - 2, 
, - 
, 
, - 
Solve the problem.The natural resources of an island limit the growth of the population. The population of the island is given by the logistic equation 
where t is the number of years after 2010. What is the limiting value of the population?
A. 14 people B. 997 people C. 1266 people D. 4943 people
Solve the equation.
x + 7 = 
x - 8
A. 
B. 
C. 
D. 