Multiple Choice
Seven hundred gallons of 87-octane gasoline is obtained by mixing 87-octane gasoline with 90-octane gasoline.Use a graphing utility to graph the two given equations.Let x and y represent the number of gallons of the 87-octane gasoline and 90-octane gasoline.As the number of gallons of the 87-octane gasoline increases, how does the number of gallons of the 90-octane gasoline change
A) Increases
B) Decreases
C) Decreases
D) Increases
E) Decreases
Correct Answer:

Verified
Correct Answer:
Verified
Q12: Solve the system by the method
Q13: Use any method to solve the
Q14: Solve the system of linear equations
Q15: Select the correct graph of the
Q17: A chemist needs 10 liters of a
Q17: Select the region determined by the constraints.Then
Q18: Find the consumer surplus and producer
Q19: Write the partial fraction decomposition of
Q20: The linear programming problem has an unusual
Q21: Find values of x, y, and