Graph the exponential function whose equation is given. Start by using -2, -1, 0, 1, and 2 for x and finding the corresponding values for y.f(x) = 
x
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Find the root if it is a real number.
A. 
B. -4
C. 24
D. 4
Mathematics
Use the product rule to simplify the expression. Assume that the variables can be any real number.- 
A. -4
B. 4
C. -2
D. Not a real number
Mathematics
Use the given graph to determine the limit, if it exists.
f(x) and
f(x).
A. 1; -1 B. 1; 1 C. -1; -1 D. -1; 1
Mathematics
Simplify the fraction. (Write the fraction in lowest terms.) If the fraction cannot be simplified, so state.
A. 
B. 2
C. 4
D. cannot be simplified
Mathematics