An investor has $48,000. She wants to put twice as much in bonds as she puts in stocks. The amount invested in bonds is 
. The amount invested in stocks is 
. A model of this situation is 
. Find the amount to put in each investment.
A. $16,000 in bonds; $32,000 in stocks
B. $36,000 in bonds; $12,000 in stocks
C. $12,000 in bonds; $36,000 in stocks
D. $32,000 in bonds; $16,000 in stocks
E. none of these
Answer: D
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Find a general term an for the geometric sequence.a1 = - 
, r = -8
A. an = - 
- 
(n - 1)
B. an = - 
+ 
(n - 1)
C. an = 
n-1 + 
D. an = - 
? (-8)n-1
Match the graph with its function using the x-intercepts.
A. f (x) = x4 - 2x2 + 1 B. f (x) = x4 + 2x2 - 1 C. f (x) = x4 - 2x2 - 1 D. f (x) = x4 + 2x2 + 1
Decide whether a linear function, a quadratic function, or neither of these types of functions would be reasonable for modeling the data shown in the scatterplot. 
A. quadratic B. linear C. neither of these
Determine the real solutions to the system of nonlinear equations.x2 + y2 = 41x - y = 1
A. (4, -5), (5, -4) B. (-4, -5), (5, 4) C. (4, 5), (5, 4) D. (-4, 5), (-5, 4)