Translate into an equation, then solve.Betsy has a balance of -$547 on her credit card. What payment should she make to get the balance to -$217?
A. -547 + x = -217; A payment of $330 must be made.
B. -547 + x = -217; A payment of $430 must be made.
C. -217 + x = -547; A payment of $430 must be made.
D. -217 + x = -547; A payment of $330 must be made.
Answer: A
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Use the leading-term test to match the function with the correct graph.f(x) = x5 - x3 + x2 + 1
A. 
B. 
C. 
D. 
Solve.David recently switched to a long distance phone company which charges a monthly fee of $5.95 plus $0.04 per minute. A linear function that expresses the monthly bill B as a function of minutes used m is 
What is the implied domain of this linear function?
A. [5.95, ?) B. [0, 595] C. [0, ?) D. (0, ?)
Write the number in scientific notation.22,000
A. 2.2 × 10-5 B. 2.2 × 105 C. 2.2 × 104 D. 2.2 × 10-4
Determine whether the variation between the indicated quantities is direct or inverse.The number of hours worked by an hourly worker and the amount of her paycheck
A. Inverse B. Direct