Solve the system using substitution.
A. (-7, -1)
B. (7, 0)
C. no solution
D. (-8, 0)
Answer: A
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The autonomous differential equation represents a model for population growth. Use phase line analysis to sketch solution curves for P(t), selecting different starting values P(0). Which equilibria are stable, and which are unstable?
= 1 - 6P
What will be an ideal response?
Simplify the exponential expression.
A. 9x23
B. 
C. 
D. 9x3
Use the two steps for solving a linear programming problem to solve the problem.The Acme Class Ring Company designs and sells two types of rings: the VIP and the SST. They can produce up to 24 rings each day using up to 60 total man-hours of labor. It takes 3 man-hours to make one VIP ring and 2 man-hours to make one SST ring. How many of each type of ring should be made daily to maximize the company's profit, if the profit on a VIP ring is $40 and on an SST ring is $35?
A. 18 VIP and 6 SST B. 16 VIP and 8 SST C. 14 VIP and 10 SST D. 12 VIP and 12 SST
Use Euler's method to approximate the solution. Also find the exact solution. Round your answers to four decimal places.Use Euler's method with ?x = 0.2 to approximate y(1) given that 
and y(0) = 7. Also find the exact value of y(1) given that 
A. y(1) ? 9.4883; the exact solution is y(1) = 9.7183 B. y(1) ? 8.9136; the exact solution is y(1) = 8.7183 C. y(1) ? 8.8736; the exact solution is y(1) = 9.7183 D. y(1) ? 8.2659; the exact solution is y(1) = 8.7183