Use the given graph to find the x-intercepts.
A. -3, -1
B. -1, 3
C. -3, 1
D. 1, 3
Answer: B
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Solve the problem.The graph below shows the number of tuberculosis deaths in the United States from 1989 to 1998.
Estimate the average rate of change in tuberculosis deaths from 1993 to 1995.
A. About -150 deaths per year B. About -1 deaths per year C. About -300 deaths per year D. About -80 deaths per year
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 = 
y = -1
A. Since limx?-1+ f '(x) = -1 while limx?-1- f '(x) = 0, f(x) is not differentiable at 
B. Since limx?-1+ f '(x) = 0 while limx?-1- f '(x) = 1, f(x) is not differentiable at 
C. Since limx?-1+ f '(x) = 0 while limx?-1- f '(x) = -1, f(x) is not differentiable at 
D. Since limx?-1+ f '(x) = 0 while limx?-1- f '(x) = 0, f(x) is differentiable at 
Use a calculator to evaluate the expression. 
A. 151,164 B. 380,933,280 C. 75,582 D. 3.047 × 109
Solve the problem.A landscaping company sells 40-pound bags of top soil. The actual weight x of a bag, however, may differ from the advertised weight by as much as 0.75 pound. Write an inequality involving absolute value that expresses the relationship between the actual weight x of a bag and 40 pounds. Over what range may the weight of a 40-pound bag of to soil vary?
What will be an ideal response?