0. Review of College Algebra

Functions

Multiple Choice
Find the domain of $f\left(x\right)=\sqrt{x+4}$ . Express your answer using interval notation.
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Multiple Choice
Find the domain of $f\left(x\right)=\frac{1}{x^2-5x+6}$ . Express your answer using interval notation.
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Textbook Question
Determine whether each relation defines a function. See Example 1.{(5, 1), (3, 2), (4, 9), (7, 8)}
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Textbook Question
Determine whether each relation defines a function. See Example 1. x y 3 -4 7 -410 -4
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Textbook Question
Determine whether each relation defines a function, and give the domain and range. See Examples 1 – 4. x y 0 0-1 1-2 2
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Textbook Question
Determine whether each relation defines a function, and give the domain and range. See Examples 1 – 4.
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Textbook Question
Determine whether each relation defines a function, and give the domain and range. See Examples 1 – 4.
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Textbook Question
Determine whether each relation defines a function, and give the domain and range. See Examples 1 – 4.
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Textbook Question
Determine whether each relation defines y as a function of x. Give the domain and range. See Example 5.y = x²
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Textbook Question
Determine whether each relation defines y as a function of x. Give the domain and range. See Example 5.x = y⁶
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Textbook Question
Determine whether each relation defines y as a function of x. Give the domain and range. See Example 5.y = 2x - 5
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Textbook Question
Determine whether each relation defines y as a function of x. Give the domain and range. See Example 5.y = √4x + 1
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Textbook Question
Determine whether each relation defines y as a function of x. Give the domain and range. See Example 5. 2y = ——— x - 3
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Textbook Question
Let f(x) = -3x + 4 and g(x) = -x² + 4x + 1. Find each of the following. Simplify if necessary. See Example 6.ƒ(0)
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Textbook Question
Let f(x) = -3x + 4 and g(x) = -x² + 4x + 1. Find each of the following. Simplify if necessary. See Example 6.g(-2)
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