Solve the problem.The farther someone is from a light source, the less intense its light. The equation I = 
approximates the light intensity from light source Y and I = 
approximates the light intensity from light source Z, where d is measured in meters and I is measured in watts per square meter. Find an expression for the sum of the intensities of light from sources Y and Z.
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Factor the polynomial completely.15x2 - 65x - 50
A. prime B. (15x + 10)(x - 5) C. 5(3x + 2)(x - 5) D. 5(3x - 2)(x + 5)
Mathematics
Consider the functions f and g as shown in the graph. Answer the question.What is the domain of f ? g?
A. {
-3 ? x ? 4}
B. {
-3 ? x ? 3}
C. {
-1 ? x ? 4}
D. {
-1 ? x ? 3}
Mathematics
Find the indicated premium. Round to the nearest cent. 
Albert Newsom buys a universal life policy with a face value of $60,000. He is 35 years old. Find the quarterly premium.
A. $227.97 B. $116.22 C. $40.59 D. $119.81
Mathematics
Solve the equation.
= 
A. 
B. 
C. 
D. {17}
Mathematics