Add or subtract as indicated. Simplify the result, if possible.
- 
A. 
B. - 
C. - 
D. 
Answer: A
Mathematics
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Perform the indicated operation and simplify.
+ 
A. 
B. 
C. 
D. 1
Mathematics
Graph the function.f(x) = 5x - 1
A. 
B. 
C. 
D. 
Mathematics
Use a graphing calculator to graph the function using the given viewing window. Use the graph to decide if the function is one-to-one. If the function is one-to-one, give the equation of the inverse function.f(x) = 
; [-8, 8] by [-8, 8]
A. One-to-one; f-1(x) = 
B. Not one-to-one
C. One-to-one; f-1(x) = 
D. One-to-one; f-1(x) = 
Mathematics
Solve the system of equations using substitution.
A. x = 0, y = 2; x = 2, y = 0 or (0, 2), (2, 0) B. x = 2, y = -2; x = -2, y = -2 or (2,-2), (-2, -2) C. x = 0, y = 0; x = 2, y = -2 or (0, 0), (2, -2) D. x = 0, y = -2; x = -2, y = 0 or (0, -2), (-2, 0)
Mathematics