Find the difference and check.14.012 - 3.992
A. 10.220
B. 10.020
C. 18.004
D. 10.120
Answer: B
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Determine whether the function is one-to-one. If so, find a formula for the inverse.g(x) = 
A. g-1(x) = 
B. g-1(x) = 
C. g-1(x) = 
D. Not a one-to-one function
Solve the problem.Assume that the sales of a certain appliance dealer are approximated by a linear function. Suppose that sales were $14,000 in 1982 and $68,000 in 1987. Let 
represent 1982. Find the equation giving yearly sales 
.
A. S(x) = 10,800x + 68,000 B. S(x) = 10,800x + 14,000 C. S(x) = 54,000x + 14,000 D. S(x) = 54,000x + 68,000
Use the x-intercepts to find the intervals on which the graph of f is above and below the x-axis.f(x) = 
2(x - 3)5
A. above the x-axis: 
, 
below the x-axis: (3, ?)
B. above the x-axis: 
, (3, ?)
below the x-axis: 
C. above the x-axis: (3, ?)
below the x-axis: 
, 
D. above the x-axis: 
below the x-axis: 
, (3, ?)
Add or subtract. Then simplify by collecting like radical terms, if possible. Assume that no radicands were formed by raising negative numbers to even powers.
- 
A. 7
B. 4
- 3
C. 3 - 4
D. 3
- 4