Write the inequality in interval notation.-1 ? x ? 3
A. [-1, 3]
B. (-1, 3]
C. (-1, 3)
D. [-1, 3)
Answer: A
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In which quadrant is the point (2, -5) located on a rectangular coordinate system?
a. I b. II c. III d. IV
Write the following as an equation, using x for the unknown number. Then solve.When 3 times a number is subtracted from 7 times the number, the result is 28. Find the number.
A. 3(x - 7) = 28x; 1.2 B. 3x(7 - x) = 28; -7 C. 3x + 7x = 28; 4 D. 7x - 3x = 28; 7
Provide an appropriate response. For f(x) = 5x - 2 is the sequence f(1), f(2), f(3), ... arithmetic, geometric, or neither?
A. geometric B. neither C. arithmetic
Solve.David recently switched to a long distance phone company which charges a monthly fee of $6.45 plus $0.04 per minute. A linear function that expresses the monthly bill B as a function of minutes used m is 
What are the independent and dependent variables?
A. The independent variable is m, and the dependent variable is B. B. The independent variable is the customer, and the dependent variable is B. C. The independent variable is 6.45, and the dependent variable is 0.04. D. The independent variable is B, and the dependent variable is m.