Math Problem Statement

Fungsi y = x + 10 ditransformasikan dengan translasi T1 = (1, 2) dilanjutkan dengan T2 = (3, 4). Tentukan hasil dari transformasi tersebut!

Solution

The problem involves transforming the function y=x+10y = x + 10 through two translations. Let me explain the process step by step:

We are given two translation vectors:

  1. T1=(12)T_1 = \begin{pmatrix} 1 \\ 2 \end{pmatrix}
  2. T2=(34)T_2 = \begin{pmatrix} 3 \\ 4 \end{pmatrix}

Step 1: Apply the first translation T1T_1

The translation vector T1=(12)T_1 = \begin{pmatrix} 1 \\ 2 \end{pmatrix} means that we shift the graph of the function by 1 unit in the x-direction and 2 units in the y-direction.

The original function is: y=x+10y = x + 10

After applying the first translation, the new coordinates will be: x=x+1x' = x + 1 y=y+2y' = y + 2 Substituting y=x+10y = x + 10 into this, we get: y=(x+1)+10+2=x+11+2=x+13y' = (x + 1) + 10 + 2 = x + 11 + 2 = x + 13 So, after the first translation, the new function is: y=x+13y = x + 13

Step 2: Apply the second translation T2T_2

Now, apply the second translation vector T2=(34)T_2 = \begin{pmatrix} 3 \\ 4 \end{pmatrix}, which translates the graph by 3 units in the x-direction and 4 units in the y-direction.

Thus: x=x+3x'' = x + 3 y=y+4y'' = y + 4

Starting with the function y=x+13y = x + 13 from the previous step, substitute and perform the translation: y=(x+3)+13+4=x+16+4=x+17y'' = (x + 3) + 13 + 4 = x + 16 + 4 = x + 17

Final result:

After both translations, the final equation of the transformed function is: y=x+17y = x + 17

Would you like more details on this process or have any questions?

Related Questions:

  1. What is the geometric meaning of translating a function by a vector?
  2. How would the translation affect a quadratic function like y=x2+5y = x^2 + 5?
  3. Can multiple translations be combined into a single translation?
  4. How would the function change if the translation vectors were reversed?
  5. What if we apply a reflection instead of a translation?

Tip:

Translations only affect the position of the graph, not its shape. The slope remains the same when dealing with linear equations.

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Math Problem Analysis

Mathematical Concepts

Function Translation
Linear Functions
Coordinate Geometry

Formulas

Translation of function: y = f(x + h) + k
Transformation vectors: T1 = (1, 2), T2 = (3, 4)

Theorems

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Suitable Grade Level

Grades 10-11