Find all numbers for which the rational expression is not defined.
A. x = 2 and x = -8
B. x = 8 and x = -8
C. x = 0
D. x = -2 and x = 8
Answer: D
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Find the specified domain and express it in interval notation.For f(x) = 
and g(x) = x - 7, what is the domain of g/f ?
A. (3, 7) ? (7, ?) B. [3, 7) ? (7, ?) C. [3, ?) D. (3, ?)
For the given functions f and g , find the indicated composition.f(x) = 
,g(x) = 
(f?g)(x)
A. 
B. 
C. 
D. 
Solve the problem. Use a FICA rate of 6.2%, a Medicare rate of 1.45%, and an SDI rate of 1%. Assume the person's earnings will not exceed $31,800 for the year. Round to the nearest cent if needed.Bill Fox is paid 7% commission on sales. During a recent week, he had sales of 
and allowances of 
Find his Social Security tax, Medicare tax, and SDI deduction for the week.
A. $76.08, $11.10, $12.27 B. $68.82, $16.10, $11.10 C. $61.57, $14.40, $9.93 D. $61.14, $14.30, $9.86
Let p represent "I eat too much," let q represent "I exercise," and let r represent "the food is good." Write the compound statement in symbols.I exercise if I eat too much.
A. p ? q B. p ? q C. q ? p D. q ? p