Find only the rational zeros.f(x) = x3 + 2x2 - 45x - 126
A. 3, 6, -7
B. -4, -6, 14
C. 4, 6, -14
D. -3, -6, 7
Answer: D
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Solve.In the land of Taxalot, the function T(x) = 0.16(x - 8400) + 0.16 represents the tax bill T of a single person whose adjusted gross income is x dollars for incomes between 8400 and 26,800 inclusive. Which variable is independent and which is dependent?
A. The independent variable is gross income; the dependent variable is adjusted gross income B. The independent variable is T; the dependent variable is x C. The independent variable is x; the dependent variable is T D. The independent variable is x; the dependent variable is 8400
Perform the indicated operations and simplify the result. Leave the answer in factored form.
? 
A. 
B. 
C. 
D. 
Solve the problem.The cost of tuition at Johnson Community College is $180 per credit hour. Each student also has to pay $90 in fees. Write an equation that represents the tuition cost C for x credit hours taken.
A. C = 90x B. C = 180 + 90x C. C = 180x + 90 D. C = 180x
Find the least common denominator (LCD).
, 
A. -4(x + 5)(x - 6) B. -4(x + 5)(x + 6) C. -4(x - 5)(x - 6) D. -4(x - 5)(x + 6)