Determine the exponential function whose graph is given.
A. f(x) = 4x
B. f(x) = -4x
C. f(x) = -4-x
D. f(x) = 4-x
Answer: B
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A. 
B. 
C. 
D. 
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A. the amount of uncertainty or risk about changes in a security's value B. the likelihood that a security's value will only decrease in value C. a security's value as compared to an industry benchmark D. the likelihood that a security's value will only increase in value
Fill in the blank.A gallon has _________ a liter.
A. the same capacity as B. greater capacity than C. less capacity than
Use a proportion to solve the problem.Find the length, L, of the lake. Assume that the two triangles are similar. 
A. 450 m B. 30 m C. 8100 m D. 270 m