Determine the values of x for which the function is continuous. If the function is not continuous, determine the reason.f(x) = 
A. Not continuous at x ? 4; function not defined
B. Not continuous at x = 4; small change
C. Not continuous at x = 4; function not defined
D. Not continuous at x < 4; function not defined
Answer: A
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Calculate the circulation of the field F around the closed curve C.F = 7x2yi + 7xy2j; curve C is r(t) = 5 cos ti + 5 sin tj, 0 ? t ? 2?
A. 14 B. 35 C. 70 D. 0
Solve the problem.The growth in the population of a certain rodent at a dump site fits the exponential function 
where t is the number of years since 1967. Estimate the population in the year 2000.
A. 372 rodents B. 186 rodents C. 364 rodents D. 182 rodents
Find the zeros of the polynomial function. State whether the graph crosses the x-axis, or touches the x-axis and turns around, at each intercept. f(x) = x4 - 121x2
A. x = 0, crosses the x-axis; x = 11, crosses the x-axis; x = -11, crosses the x-axis B. x = 0, touches the x-axis and turns around; x = 11, crosses the x-axis; x = -11, crosses the x-axis C. x = 0, touches the x-axis and turns around; x = 121, touches the x-axis and turns around D. x = 0, touches the x-axis and turns around; x = 121, crosses the x-axis
Perform the indicated operation. Make sure you simplify your final answer.7
? 10
A. 82
B. 81
C. 70
D. 76