Using the horizontal-line test, determine whether the function is one-to-one.
A. one-to-one
B. not one-to-one
Answer: B
Mathematics
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Add or subtract as indicated.
- 
A. 
B. 
C. 
D. 
Mathematics
Solve the equation.
= 
- 
A. {6} B. {3} C. no real solution D. {3, 6}
Mathematics
Graph the system of inequalities, and find the coordinates of the vertices.y ? 4 - 2xx ? 1
A. 
B. 
C. 
D. 
Mathematics
Assume that x, y, and z are positive numbers. Use the properties of logarithms to write the expression 
as the logarithm of one quantity.
?
A. 
B. ?
C. ?
D. ?
E. ?
Mathematics