Use the diagram to find the domain and range of f.
A. D = {1, 2, 3, 4}
R = {-4, -3, -2, -1, 0, 1, 2, 3, 4, 5, 6, 7, 8}
B. D = {1, 2, 3, 4}
R = {-4, -2, 8}
C. D = {-4, -2, 8}
R = {1, 2, 3, 4}
D. D = All real numbers
R = All real numbers
Answer: B
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Provide an appropriate response.Choose the simple inequality for which the solution set using interval notation is correctly written.
A. x < -2 ; (?, -2) B. x < 2 ; [-?, 2] C. x > 2; (2, ?) D. x ? -2; [-2, -?]
Add or subtract as indicated.- 
- 
A. - 
B. - 
C. - 
D. 
Solve the problem.Regrind, Inc. regrinds used typewriter platens. The cost per platen is $1.30. The fixed cost to run the grinding machine is $252 per day. If the company sells the reground platens for $5.30, how many must be reground daily to break even?
A. 63 platens B. 38 platens C. 193 platens D. 42 platens
Identify the numerator and denominator.
A. Numerator 
Denominator 3
B. Numerator 2
Denominator 3
C. Numerator 3
Denominator 2
D. Numerator 5
Denominator 1