The graph of an exponential function is given. Select the function for the graph from the functions listed.
A. f(x) = 4x
B. f(x) = - 4-x
C. f(x) = - 4x
D. f(x) = 4-x
Answer: B
Mathematics
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Determine whether the function is one-to-one by graphing and using the horizontal line test.f(x) = - 
A. Yes B. No
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Use the summation properties and rules to evaluate the series. The following rules may be needed: 
.
A. 42 B. 144 C. 36 D. 20
Mathematics
Perform the indicated operations and simplify the result. Leave the answer in factored form.
- 
A. 
B. 
C. 0
D. 
Mathematics
Graph the piecewise linear function.f(x) = 
A. 
B. 
C. 
D. 
Mathematics