Trinity6611 Trinity6611
  • 25-03-2021
  • Mathematics
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Need help... Fast! will give brainiest
What is the solution set of x/4 < 9/x ?

Need help Fast will give brainiest What is the solution set of x4 lt 9x class=

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eudora eudora
  • 30-03-2021

Answer:

Option (4)

Step-by-step explanation:

Given inequality is,

[tex]\frac{x}{4}\leq \frac{9}{x}[/tex]

[tex]\frac{x}{4}-\frac{9}{x}\leq 0[/tex]

[tex]\frac{x^{2}-36}{4x}\leq 0[/tex]

x ≥ 0 [For x = 0, fraction is not defined]

(x - 6)(x + 6) ≤ 0

x - 6 ≤ 0

x ≤ 6

Or

x + 6 ≤ 0

x ≤ -6

Therefore, solution set is (-∞, -6] ∪ (0, 6]

By plotting the solution area on a number line,

Option (4) will be the answer.

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