_____11. 
The graph below shows the percentage of students enrolled in the College of Engineering at State University. Use the graph to answer the question.
Does the graph represent a function?

_____12. 
Find the vertical asymptotes, if any, of the graph of the rational function.
f(x) =
A. x = 0 and x = 4 

B. x = 0 

C. x = 4 

D. no vertical asymptote 



_____13. 
The formula A = 118e^{0.024t} models the population of a particular city, in thousands, t years after 1998. When will the population of the city reach 140 thousand?
A. 2008 

B. 2005 

C. 2006 

D. 2007 



_____14. 
Find the specified vector or scalar.
u = 4i + 1j and v = 4i + 1j; Find .
A. 

B. 8 

C. 2 

D. 5 



_____15. 
Find the exact value of the trigonometric function. Do not use a calculator.
A. 1 

B. 

C. 1 

D. 



_____16. 
Find the xintercepts (if any) for the graph of the quadratic function.
6x^{2} + 12x + 5 = 0
Give your answers in exact form.

_____17. 
Use the compound interest formulas A = Pe^{rt} and A = P to solve.
Suppose that you have $11,000 to invest. Which investment yields the greater return over 10 years: 6.25% compounded continuously or 6.3% compounded semiannually?
A. $11,000 invested at 6.25% compounded continuously over 10 years yields the greater return. 

B. Both investment plans yield the same return. 

C. $11,000 invested at 6.3% compounded semiannually over 10 years yields the greater return. 



_____18. 
Find functions f and g so that h(x) = (f ∘ g)(x).
h(x) = (6x – 14)^{8}
A. f(x) = 6x – 14, g(x) = x^{8} 

B. f(x) = 6x^{8} – 14, g(x) = 14 

C. f(x) = x^{8}, g(x) = 6x – 14 

D. f(x) = (6x)^{8}, g(x) = 14 



_____19. 
Begin by graphing the standard absolute value function f(x) =  x . Then use transformations of this graph to graph the given function.
h(x) = 2  x  + 2

_____20. 
Find the reference angle for the given angle.
404°
A. 44° 

B. 46° 

C. 134° 

D. 136° 


