For problems 1-13, simplify each expression.
A. 
B. 
C. 
D. 
E. none of these
Answer: D
Mathematics
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Given the graph of f, find any values of x at which f ' is not defined.
A. x = 2 B. x = 1, 2, 3 C. x = 1, 3 D. Defined for all values of x
Mathematics
Use the slope and y-intercept to graph the linear function.F(x) = -2
A. 
B. 
C. 
D. 
Mathematics
Determine whether the given relationship represents a function.
A. Not a function B. Function
Mathematics
Perform the indicated operation and simplify.
÷ 
A. 
B. 
C. z + 6
D. 
Mathematics