Find an equivalent expression for the given logarithm using the change-of-base formula.
?
?
A. 
B. 
C. 
D. 
E. 
Answer: C
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Solve the problem.A dual-beam search light is positioned to shine on a prison wall. The light is 1 feet from the wall and rotates clockwise. The light shines on point P on the wall when first turned on 
After t seconds the distance (in feet) from the beam on the wall to the point P is given by the function 
When the light beam is to the right of P, the value of d is positive, and when the beam is to the left of P, the value of d is negative. Graph d over the interval 0 ? t ? 5. 
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A. 
B. 
C. 
D. 
Solve the quadratic equation by completing the square.x2 + 3x - 9 = 0
A. x = -3 ± 3
B. x = 
C. x = 
D. x = 
Factor the trinomial completely.-40x2 + 70x + 75
A. -5(4x - 3)(2x + 5) B. (-20x - 15)(2x - 5) C. (4x + 3)(-10x + 25) D. -5(4x + 3)(2x - 5)
The Leslie matrix for a population of birds is 
The population vector for year 1 is 
(a) Estimate the population vector for year 2. (b) Estimate the population vector for year 3.