Graph the function. Describe its position relative to the graph of the indicated basic function.f(x) = e-0.8x; relative to f(x) = ex
A. Stretched vertically
B. Stretched horizontally
C. Stretched vertically;
reflected across the y-axis
D. Stretched horizontally;
reflected across the y-axis
Answer: D
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Simplify the expression. If any variables exist, assume that they are positive.2
+ 2
A. 14x
B. 14
C. 2
D. 7
Determine what m and b represent.The population, in millions, of a city t years after 2010 is given by 
A. 4.0 million is the population of the city in 2010 and 0.09 million is the decrease per year in the population. B. 4.0 million is the population of the city in 2010 and 4.09 million is the population in 2011. C. 4.0 million is the population of the city in 2010 and 0.09 million is the increase per year in the population . D. 0.09 million is the population of the city in 2010 and 4.0 million is the increase per year in the population .
Solve the equation by multiplying both sides by the LCD.
- 
= 1
A. 
B. 
C. 
D. 
Represent the linear system as an augmented matrix. 3x - 2z = 18 3y + 8z = 45-2x + 2y + 7z = 19
A. 
B. 
C. 
D. 