Solve the equation. Use words or set notation to identify equations that have no solution, or equations that are true for all real numbers. 22x + 11(x + 1) = 33(x + 1) - 22
A. {x|x is a real number}
B. ?
C. {1}
D. {0}
Answer: A
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Find the missing length in the right triangle. If necessary, round to the nearest tenth.
20 in.
A. 544 in. B. 23.3 in. C. 16 in. D. 272 in.
Solve the rational equation.
- 1 = 
A. {7} B. {x|x ? 7} C. {x|x ? -7} D. {0}
Solve.4
= 
A. 6 B. 3 C. 18 D. empty set solution
?Find the open intervals on which the function 
is increasing or decreasing.
?
A. ?The function is increasing on the interval 
and decreasing on the interval 
.
B. ?The function is increasing on the interval 
and decreasing on the interval 
.
C. ?The function is increasing on the interval 
and decreasing on the interval 
.
D. ?The function is increasing on the interval and decreasing on the interval .
E. ?The function is increasing on the interval 
and decreasing on the interval 
.