Choose the equation that matches the graph.
A. f(x) = -x2 - 2x - 3
B. f(x) = x2 - 2x - 3
C. f(x) = x2 + 2x - 3
D. f(x) = x2 - 2x + 3
Answer: B
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Solve the problem.Jimmy is a partner in an Internet-based coffee supplier.The company offers gourmet coffee beans for $11 per pound and regular coffee beans for $3 per pound. Jimmy is creating a 
product that will sell for $5 per pound.The first thing to go into the mixing bin was 14 pounds of the gourmet beans. How many pounds of the less expensive regular beans should be added?
A. 43 lb B. 41 lb C. 42 lb D. 44 lb
Solve the problem. Round to the nearest hundredth, if necessary.A bank's loan officer rates applicants for credit. The ratings are normally distributed with a mean of 210 and a standard deviation of 50. If an applicant is randomly selected, find the percentage of applicants with a rating that is between 165 and 220.
A. 39.52% B. 57.93% C. 21.11% D. 18.41%
Match the polynomial function with the graph.y = -x4 + 0.5x3 + 15.5x2 - 13x - 16
A. 
B. 
C. 
D. 
Solve the equation.
+ 
= 4
A. {3}
B. ?
C. {-3}
D. 