Write the contrapositive of the statement.If he is not working in Sweden, then he is vacationing in Belgium.
A. If he is not vacationing in Belgium, then he is working in Sweden.
B. If he is working in Sweden, then he is not vacationing in Belgium.
C. If he is vacationing in Sweden, then he is not working in Belgium.
D. If he is not vacationing in Sweden, then he is working in Belgium.
Answer: A
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Determine the limit by sketching an appropriate graph.
f(x), where f(x) = 
A. 1 B. 2 C. 10 D. -15
Identify the independent variable and the dependent variable.Let A be the age (in years) of a car, and let c be the annual cost of maintenance (in dollars) for the car.
A. A independent, c dependent B. c independent, A dependent
Find the inverse of the function.f(x) = -x2 + 5, x ? 0
A. f-1(x) = 
B. f-1(x) = x2 + 5
C. f-1(x) = - 
D. f-1(x) = 
Factor the expression completely.
?
?
A. 
B. 
C. 
D. 
E. 