Question
To solve the nonlinear inequality x + 2 / x -4 0 we first observe that the numbers ________ (smaller value) and ____________ (larger value)
To solve the nonlinear inequality
x + 2 / x -4 0 |
we first observe that the numbers ________ (smaller value) and ____________ (larger value) are zeros of the numerator and denominator. These numbers divide the real line into three intervals. Complete the table.
Interval | , | , | , | ||||||
Sign of x+2 | ? + | ? + | ? + | ||||||
Sign of x4 | ? + | ? + | ? + | ||||||
Sign of (x+2)/(x4) | ? + | ? + | ? + |
Do any of the endpoints fail to satisfy the inequality? (yes or no)
If so, which one(s)? (Enter your answers as a comma-separated list. If an answer does not exist, enter DNE.)
Find the solution of the inequality. (Enter your answer using interval notation.)
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