Find the requested polynomial. Find a polynomial of degree 3 having the following zeros:1 + 
, 1 - 
, and 3
A. f(x) = x3 - 6x2 + 6x - 3
B. f(x) = x3 - 5x2 + 5x + 3
C. f(x) = x3 - 5x2 + 5x - 3
D. f(x) = x3 + 5x2 - 5x + 3
Answer: B
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Solve the problem.The focal length f of a lens with index of refraction n is 
= (n - 1)
where R1and R2 are the radii of curvature of the front and back surfaces of the lens. Express f as a rational expression.
What will be an ideal response?
Divide and simplify. Assume that all variables represent positive numbers.
A. 
B. 45
C. 1
D. 
Provide an appropriate response.The number of loaves of whole wheat bread left on the shelf of a local quick stop at closing (denoted by the random variable X) varies from day to day. Past records show that the probability distribution of X is as shown in the following table. Find the probability that there will be at least three loaves left over at the end of any given day. 
A. 0.20 B. 0.65 C. 0.35 D. 0.15
Solve.A vendor has learned that, by pricing hot dogs at $1.25, sales will reach 91 hot dogs per day. Raising the price to
will cause the sales to fall to 61 hot dogs per day. Let y be the number of hot dogs the vendor sells at x dollars each. Write a linear equation that relates the number of hot dogs sold per day to the price x.
A. y = - 
x + 
B. y = 40x + 41
C. y = -40x - 141
D. y = -40x + 141