Identify the set as finite or infinite.
A. Infinite
B. Finite
Answer: B
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For the pair of functions, find the product (fg)(x).f(x) = 4x + 2, g(x) = x2 + 6x - 7
A. x2 - 10x + 5 B. x3 - 26x2 - 22x - 17 C. 4x3 + 26x2 - 16x - 14 D. 5x3 + 28x2 + 16x - 13
Find all values that make the expression undefined.
A. 20 B. 0 C. -5 D. 4
Solve.A company has 63,000 employees. Of these, 
drive alone to work, 
car pool, 
use public transportation, 
cycle, and the remainder use other methods of transportation. How many employees use each method of transportation?
A. Drive alone: 2,100; car pool: 10,500; public transportation: 9,000; cycle: 7,000; 
B. Drive alone: 21,000; car pool: 10,500; public transportation: 9,000; cycle: 7,000; 
C. Drive alone: 21,100; car pool: 10,500; public transportation: 8,900; cycle: 7,000; other: 1000
D. Drive alone: 21,000; car pool: 10,500; public transportation: 9,000; cycle: 7,000; 
Use the Gauss-Jordan method to solve the system of equations.
A. x = -3, y = 5, z = 6 B. x = 3, y = 5, z = 8 C. x = 3, y = 8, z = 5 D. No solution