Question
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2)
3)
4)

Ask by Maxwell Mccarthy. in South Africa
Jan 23,2025

Upstudy AI Solution

Tutor-Verified Answer

Answer

  1. or
  2. or

Solution

Certainly! Let’s solve each of the given inequalities step by step.

1)

Solution:
  1. Simplify the inequality:
  2. Solve for :
Solution Set:
Interval Notation:

2)

Solution:
  1. Isolate the square root:
  2. Square both sides (since both sides are non-negative):
  3. Consider the domain of the square root:
Solution Set:
Interval Notation:

3)

Solution:
  1. Isolate the cubic term:
  2. Take the cube root of both sides:
Solution Set:
Interval Notation:

4)

Solution:
  1. Isolate the reciprocal term:
  2. Solve the inequality by considering cases based on the sign of :
    • Case 1:
      Since is positive and is negative, this inequality holds for all .
    • Case 2:
      Multiply both sides by (note that is negative, so the inequality sign reverses):
    • Case 3:
  3. Combine the cases:
Solution Set:
Interval Notation:

Summary of Solutions:

  1. Interval Notation:
  2. Interval Notation:
  3. Interval Notation:
  4. Interval Notation:

If you have any further questions or need more detailed explanations, feel free to ask!

Answered by UpStudy AI and reviewed by a Professional Tutor

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Explain
Simplify this solution

Extra Insights

To solve , first, simplify it to . This means can be either or (or in simpler terms or ). It’s important to denote these intervals on a number line for visibility!
For , divide both sides by 4 to get . Squaring both sides yields . Always remember to check the original inequality when squaring, as it can introduce extraneous solutions!
In the case of , simplify to find , then divide by 4 to get . Finally, take the cube root, yielding . Keep in mind that any negative values are also acceptable!
The inequality boils down to . This implies can either be positive or cater to the scenario where . Be cautious with the signs when interpreting!
Enjoy solving these inequalities! They can often lead to fun discussions about functions and their graphs. Don’t forget to check for extraneous solutions and plot your intervals correctly!

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