Question

5. (7 marks) Find the domain of each of the following and write it in the indicated notation. (a) $f(x) = \frac{3x}{x^2 - x - 56}$ (set builder notation) (b) $g(x) = \sqrt{x^2 - 2x - 8}$ (use a polarity table and answer in interval notation) (c) $h(x) = 3x^2 - 2x + 1$ (interval notation)

          5. (7 marks) Find the domain of each of the following and write it in the indicated notation.
(a) $f(x) = \frac{3x}{x^2 - x - 56}$ (set builder notation)
(b) $g(x) = \sqrt{x^2 - 2x - 8}$ (use a polarity table and answer in interval notation)
(c) $h(x) = 3x^2 - 2x + 1$ (interval notation)

5. (7 marks) Find the domain of each of the following and write it in the indicated notation.
(a) f(x) = (3x)/(x^2 - x - 56) (set builder notation)
(b) g(x) = √(x^2 - 2x - 8) (use a polarity table and answer in interval notation)
(c) h(x) = 3x^2 - 2x + 1 (interval notation)

Added by Linda P.

Precalculus with Limits

Ron Larson 2nd Edition

Instant Answer

Solved by Expert Saket Kumar Singh

02/26/2022

Step 1

Step 1: For (a), we need to find the values of x for which the denominator is not zero. Show more…

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5. (7 marks) Find the domain of each of the following and write it in the indicated notation. (a) f(x) = 3x x²-x-56 (set builder notation) (b) g(x) = √x²-2x-8 (use a polarity table and answer in interval notation) (c) h(x) = 3x² - 2x + 1 (interval notation)