Math Problem Statement

Misalhen F (x) = VI - 101 dan 9ry)=1-x Tentrken domain fungsi h (X) = ( E) (X) G

Misalkan F(x) = √(2 - |x|) dan G(x) = 1 - x. Tentukan domain fungsi h(x) = F(x)/G(x).

Solution

The problem in the image is asking for the domain of the function h(x)h(x), which is defined as a quotient of two functions:

F(x)=2xandG(x)=1xF(x) = \sqrt{2 - |x|} \quad \text{and} \quad G(x) = 1 - x h(x)=F(x)G(x)h(x) = \frac{F(x)}{G(x)}

To determine the domain of h(x)h(x), we need to consider two things:

  1. The domain of F(x)F(x), which involves a square root.
  2. The domain of G(x)G(x), which involves a potential division by zero.

1. Domain of F(x)=2xF(x) = \sqrt{2 - |x|}:

  • For the square root function to be defined, the expression inside the square root must be non-negative: 2x02 - |x| \geq 0 Solving this inequality: x2|x| \leq 2 Which means x[2,2]x \in [-2, 2]. So, the domain of F(x)F(x) is x[2,2]x \in [-2, 2].

2. Domain of G(x)=1xG(x) = 1 - x:

  • The only restriction for G(x)G(x) comes from the fact that it cannot be zero (since division by zero is undefined): 1x0x11 - x \neq 0 \quad \Rightarrow \quad x \neq 1

Combining both conditions:

  • The domain of F(x)F(x) is [2,2][-2, 2], and the function G(x)G(x) excludes x=1x = 1.
  • Therefore, the domain of h(x)=F(x)G(x)h(x) = \frac{F(x)}{G(x)} is: x[2,2]{1}x \in [-2, 2] \setminus \{1\} Which means the domain is x[2,1)(1,2]x \in [-2, 1) \cup (1, 2].

Final Answer:

The domain of h(x)h(x) is (2,1)(1,2)(-2, 1) \cup (1, 2).

Would you like further details or have any questions about this?

Here are 5 related questions for further exploration:

  1. What is the range of the function F(x)=2xF(x) = \sqrt{2 - |x|}?
  2. How does the absolute value function affect the domain of F(x)F(x)?
  3. How would the domain change if G(x)=x21G(x) = x^2 - 1?
  4. What happens to the domain if we modify F(x)F(x) to 3x\sqrt{3 - |x|}?
  5. Can you graph the function h(x)h(x) and verify the domain visually?

Tip: Always check for restrictions like square roots or division when finding domains of functions.

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Math Problem Analysis

Mathematical Concepts

Function Domain
Absolute Value
Square Root Function
Division

Formulas

F(x) = √(2 - |x|)
G(x) = 1 - x
h(x) = F(x) / G(x)

Theorems

For √(a) to be defined, a must be ≥ 0.
Division by zero is undefined.

Suitable Grade Level

Grade 10-12