Question

Find the domain of the expression. $$ \frac{x^2 + 4}{x^2 - 3x - 4} $$ all real numbers $$ x < -1 $$ $$ x > 4 $$ $$ x \neq 4, -1 $$ $$ -1 < x < 4 $$

Name: find the domain of the expression fracx2 4x2 3x 4 all real numbers x 1 x 4 x neq 4 1 1 x 4 65962
Uploaded: 2020-05-31T02:31:21-08:00
Duration: 1 min 36 s
Channel: Suman Saurav Thakur
Description: find the domain of the expression fracx2 4x2 3x 4 all real numbers x 1 x 4 x neq 4 1 1 x 4 65962

          Find the domain of the expression.
$$ \frac{x^2 + 4}{x^2 - 3x - 4} $$
all real numbers
$$ x < -1 $$
$$ x > 4 $$
$$ x \neq 4, -1 $$
$$ -1 < x < 4 $$

$find the domain of the expression fracx2 4x2 3x 4 all real numbers x 1 x 4 x neq 4 1 1 x 4 65962$

Added by Veronica R.

Elementary and Intermediate Algebra

Alan S. Tussy, R. David Gustafson 5th Edition

Instant Answer

Solved by Expert Suman Saurav Thakur

05/31/2020

Step 1

The given expression is: $$ \frac{x^2 + 4}{x^2 - 3x - 4} $$ Step 2: Set the denominator equal to zero and solve for x to find the values that x cannot be. $$ x^2 - 3x - 4 = 0 $$ Step 3: Factor the quadratic expression. We need two numbers that multiply to -4 and Show more…

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