Decide whether the relation defines a function.xy = -7
A. Function
B. Not a function
Answer: A
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Solve the problem.A country is made up of four regions A, B, C, and D. The population of each region, in thousands, is given in the following table.
According to the country's constitution, the congress will have 20 seats, divided among the four regions according to their respective populations.(a) Find the standard divisor , in thousands.(b) How many people are there for each seat in the congress?
A. 57; 57,000 B. 20; 20,000 C. 60; 60,000 D. 58; 58,000
Solve the problem.The students at ABC School are selling tickets for their carnival. Each ticket sells for 50¢. The school wants to raise $7500 in ticket sales. How many tickets must the school sell to reach its goal of $7500?
A. 150,000 B. 3750 C. 15,000 D. 1500
Solve the following system by any appropriate method. If there is no real number solution, so state.x + y = 11x2 + y2 = 5
A. (11, 5), (11, -5), (-11, 5), (-11, -5)
B. (11, 
), (11, -
), (-11, 
), (-11, -
)
C. (5, 
), (5, -
), (-5, 
), (-5, -
)
D. no real solution
Evaluate by finding the least common denominator. Simplify if possible.
- 
A. 
B. - 
C. - 
D. - 