Solve the problem.The table lists the average composite scores on a national entrance exam for selected years. 
Make a line graph of the data. If the graph represents a piecewise-linear function f, find a symbolic representation for the piece of f located on the interval 
A. f(x) = 0.75x - 1358 if 1984 ? x ? 1988
B. f(x) = 4.4x - 8606.9 if 1988 ? x ? 1990
C. f(x) = 122.7 if 1988 ? x ? 1990
D. f(x) = 131.5 if 1984 ? x ? 1986
Answer: D
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Use Simpson's Rule with n = 4 steps to estimate the integral.
A. 9 B. 15 C. 18 D. 36
The graph shows the region of feasible solutions. Find the maximum or minimum value, as specified, of the objective function.objective function = x - 5y; minimum
A. -37 B. -61 C. -49 D. -13
Set up the linear programming problem.A dietitian needs to purchase food for patients. She can purchase an ounce of chicken for $0.25 and an ounce of potatoes for $0.02. The dietician is bound by the following constraints.? Each ounce of chicken contains 13 grams of protein and 24 grams of carbohydrates.? Each ounce of potatoes contains 5 grams of protein and 35 grams of carbohydrates.? The minimum daily requirements for the patients under the dietitian's care are 45 grams of protein and 58 grams of carbohydrates. Let x = the number of ounces of chicken and 
number of ounces of potatoes purchased per patient. Write a system of inequalities that describes these
constraints.
A. 
B. 
C. 
D. 
Evaluate the algebraic expression under the given conditions.b2 - 4ac for a = 3, b = 4, and c = -8
A. 80 B. 112 C. -288 D. 36