Use the vertical line test to determine whether the graph represents a function.
A. not a function
B. function
Answer: B
Mathematics
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Find the domain of the expression.
?
?
A. All real numbers x such that x ? 2 B. All real numbers x such that x ? 2 C. All real numbers x such that x > 2 D. All nonnegative real numbers x such that x < 2 E. All real numbers x such that x ? 2
Mathematics
Provide an appropriate response.Solve the inequality: 
? -5
A. all real numbers B. no solution C. -8 ? x ? 2 D. -8 ? x or x ? 2
Mathematics
Solve by the substitution method.0.3x + 0.2y = 1.3 x - 0.6y = 5.6
A. {(-1, 5)} B. {(5, -1)} C. {(0.5, -0.1)} D. ?
Mathematics
Provide an appropriate response.Find the composition 
if 
and 
A. 
5
B. 
5
C. 2 - 3u10
D. 
2
Mathematics