Perform the indicated operation and express in lowest terms.
+ 
A. 
B. 
C. 
D. 
Answer: A
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Solve. Where appropriate, include approximations to the nearest thousandth. If no solution exists, state this.log (x + 3) + log x = 1
A. -2, 5 B. -2 C. -5, 2 D. 2
An escalator in a department store is to carry people a vertical distance of 19 feet between floors. How long is the escalator if it makes an angle of 30
with the ground?
?
__________ feet.
Fill in the blank(s) with the appropriate word(s).
The function f is one-to-one. Find its inverse.f(x) = 2x - 4
A. f-1(x) = 
B. f-1(x) = 
- 4
C. f-1(x) = 
D. f-1(x) = 
+ 4
Determine whether the sequence is arithmetic. If so, find the common difference. ? 7, 12, 17, 22, 27, ... ?
A. Arithmetic sequence, d = 5 B. Arithmetic sequence, d = 10 C. Arithmetic sequence, d = -5 D. Arithmetic sequence, d = -27 E. Not an arithmetic sequence