Set up the linear programming problem.A steel company produces two types of machine dies, part A and part B. The company makes a 
profit on each part A that it produces and a 
profit on each part B that it produces. Let 
number of part A produced in a week and 
number of part B produced in a week. Write the objective function that describes the
total weekly profit.
A. z = 5x + 3y
B. z = 3x + 5y
C. z = 8(x + y)
D. z =3(x - 5) + 5(y - 3)
Answer: B
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Solve the problem.The intensity I of light varies inversely as the square of the distance D from the source If the intensity of illumination on a screen 5 ft from a light is 2 foot-candles, find the intensity on a screen 10 ft from the light.
A. 
foot-candle
B. 1 
foot-candles
C. 2 foot-candles
D. 
foot-candle
Decide whether or not the number is a zero of the polynomial.P(x) = -x4 - 9x2 - 8x + 186; 3
A. Yes B. No
Use both properties of equality to solve the equation.
- 7 = -3
A. 68 B. -68 C. -70 D. 70
Solve the system of nonlinear equations. x2 - 3y2 = 14x2 + 3y2 = 19
A. (2, 1), (2, -1), (-2, 1), (-2, -1) B. (-1, 2), (1, -2) C. (1, 2), (-1, 2), (1, -2), (-1, -2) D. (2, 1), (-2, -1)