Use a grapher to find the vertex, rounding to the nearest hundredth when necessary.f(x) = x2 + x + 5
A. (0.5, -4.75)
B. (0.5, 4.75)
C. (-0.5, 5)
D. (-0.5, 4.75)
Answer: D
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Factor the polynomial by removing the common monomial factor.9x - 9
A. 9(x + 1) B. x(x - 9) C. 9(x - 1) D. x(x + 9)
Find the difference.-6 - (-14)
A. -20 B. -8 C. -6 D. 8
Solve by using addition, subtraction, multiplication, or division as needed.Last year an employee's salary was $8400. From that a total of $2268 was withheld for taxes and social security. What was his monthly take-home pay?
A. $511 B. $700 C. $889 D. $6132
Solve the problem. Express the answer in scientific notation to two decimals unless requested otherwise.The national debt of a country is $24,220,000,000 and the population is 3,460,000. What is the debt per person? Write answer without exponents.
A. $7000 B. $83,801,200 C. $700 D. $70,000