Use properties of logarithms to condense the logarithmic expression. Write the expression as a single logarithm whose coefficient is 1. Where possible, evaluate logarithmic expressions.
[4 ln(x + 4) - ln x - ln(x2 - 5)]
A. ln 
B. ln 
C. ln 
D. ln 
Answer: D
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Solve the problem. Assume the x-axis is horizontal, the positive y-axis is vertical (opposite g), the ground is horizontal, and only the gravitational force acts on the objects. A projectile is fired at a speed of 1,040 m/sec at an angle of 55°. How long will it take to get 26 km downrange? Round your answer to the nearest whole number.
A. 42 sec B. 44 sec C. It will never get that far downrange. D. 46 sec
Solve the formula for the specified letter.I = 
for n
A. n = 
B. n = 
C. n = 
D. n = IR - E + Ir
Write the symbolic representation for f(x, y) given that f computes the indicated inequality.The product of x and y2, divided by 
A. f(x, y) = 
B. f(x, y) = 
- x
C. f(x, y) = x + 
D. f(x, y) = x - 
Write the improper fraction as a mixed or whole number.
A. 58
B. 235
C. 
D. 235