Solve the problem.If u = 
and v = 
, and w = 
, evaluate (u + v) ? w.
A. 7
B. 5
C. 0
D. -4
Answer: C
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Find a formula for the nth term of the sequence.8, -8, 8, -8, 8 (8's with alternating signs)
A. an = 8(-1)2n-1 B. an = 8(-1)2n+1 C. an = 8(-1)n D. an = 8(-1)n+1
Solve the problem.The maximum number of volts, E, that can be placed across a resistor is given by the formula 
where P is the number of watts of power that the resistor can absorb and R is the resistance of the resistor in ohms. Solve this equation for R. Use the result to determine the resistance of a resistor if P is 
watts and E is 30 volts.
A. R = 
; 3,600 ohms
B. R = E2P2; 14,400 ohms
C. R = 
; 14,400 ohms
D. R = E2P; 3,600 ohms
Solve the problem.Consider the Ricker Model, given by the following function, where r is a positive constant,
. Use the theorem on the Stability of Equilibrium Points to determine the stability of the equilibrium points 0 and 1 and how they depend on r.
A. x = 0 is stable; x = 1 is stable if 0 < r < 2 and unstable if r > 2. B. x = 0 is unstable; x = 1 is stable if 0 < r < 2 and unstable if r > 2. C. x = 0 is unstable; x = 1 is unstable if 0 < r < 2 and stable if r > 2. D. x = 0 is stable; x = 1 is unstable if 0 < r < 2 and stable if r > 2.
Solve.
+ 1 = 
A. 1
B. - 
C. 
D. -1