Simplify the expression. Write the result using positive exponents only.
A. 
B. 
C. 
D. 
Answer: B
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Solve the problem.A steel company produces two types of machine dies, part A and part B and is bound by the following constraints:? Part A requires 1 hour of casting time and 10 hours of firing time. ? Part B requires 4 hours of casting time and 3 hours of firing time.? The maximum number of hours per week available for casting and firing are 100 and 70, respectively.? The cost to the company is $0.75 per part A and $3.00 per part B. Total weekly costs cannot exceed $45.00.Let x = the number of part A produced in a week and 
number of part B produced in a week. Write a system of three inequalities that describes these constraints.
A. 
B. 
C. 
D. 
Find the indicated maxima or minima.Maximum of f(x,y) = xy,subject to x + y = 100
A. 0 when x = 100, y = 0 B. 2500 when x = 50, y = 50 C. 100 when x = 50, y = 50 D. 0 when x = 0, y = 100
Determine whether the correspondence is a function.Domain: All students attending the University of OhioCorrespondence: Each student's teachersRange: A set of teachers
A. No B. Yes
Find the slope and the y-intercept of the line.x = 2y - 4
A. m = 2, y-intercept: (0, -4)
B. m = 
, y-intercept: 
C. m = - 
, y-intercept: 
D. m = -2, y-intercept: (0, 4)