Find the domain of x in the following expression.
A. 
B. 
C. 
D. 
E. all real numbers
Answer: E
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Solve the problem. Express the answer in scientific notation to two decimals unless requested otherwise.The gross domestic product (GDP) is the total national output of goods and services valued at market prices within the United States. In a certain year, the GDP of the United States was$6,660,000,000 and the population was 2,398,000. On average, how many dollars of goods and services were produced by each individual during that year?
A. $2.78 × 103 B. $27.80 C. $2.78 × 106 D. $2.78
Factor when possible. If the polynomial is prime, say so.x2 - x - 6
A. (x + 1)(x - 6) B. (x + 3)(x - 2) C. (x + 2)(x - 3) D. prime
Write the equation in the form y = mx + b.0.9x - 0.2y = 0.8
A. y = 
x + 4
B. y = 
x + 
C. y = 
x - 4
D. y = 9x - 8
Simplify the expression.
A. 
B. 
C. 
D. 