Math Problem Statement

Given a linear function f(x) = 10x - 2 and an exponential function g(x) = 3^x - 1 + 4, transformations involving translations are applied. For example, f(x) is transformed with T = (5,5) to produce f'(x), and g(x) is transformed with T = (2,2) to produce g'(x). Additionally, a new transformation T = (6, -1) is applied to f(x) to produce h(x). Solve related questions about the transformed functions and evaluate specific values.

Solution

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Given Information:

  1. The linear function f(x)=10x2f(x) = 10x - 2 and exponential function g(x)=3x1+4g(x) = 3^x - 1 + 4.
  2. The function f(x)f(x) is transformed by the translation T=(55)T = \binom{5}{5}, resulting in f(x)f'(x).
  3. The function g(x)g(x) is transformed by the translation T=(22)T = \binom{2}{2}, resulting in g(x)g'(x).
  4. Translation T=(61)T = \binom{6}{-1} is applied to the function f(x)f(x) to form the function h(x)h(x).

Now, let's go through the questions:

Question 1:

The transformation of f(x)f(x) by the translation T=(55)T = \binom{5}{5}.

The transformation involves translating the function vertically by 5 units and horizontally by 5 units. So, we apply the transformation to f(x)f(x) as follows: f(x)=f(x5)+5f'(x) = f(x - 5) + 5 Substitute f(x)=10x2f(x) = 10x - 2 into the above equation: f(x)=10(x5)2+5f'(x) = 10(x - 5) - 2 + 5 f(x)=10x502+5f'(x) = 10x - 50 - 2 + 5 f(x)=10x47f'(x) = 10x - 47 Thus, the correct answer for question 1 is b. f(x)=10x47f'(x) = 10x - 47.

Question 2:

Evaluate f(x)f'(x) for specific values of xx.

From the previous transformation, we know f(x)=10x47f'(x) = 10x - 47.

  • f(2)=10(2)47=2047=27f'(2) = 10(2) - 47 = 20 - 47 = -27
  • f(3)=10(3)47=3047=17f'(3) = 10(3) - 47 = 30 - 47 = -17
  • f(4)=10(4)47=4047=7f'(4) = 10(4) - 47 = 40 - 47 = -7
  • f(5)=10(5)47=5047=3f'(5) = 10(5) - 47 = 50 - 47 = 3

The correct values are:

  • f(2)=27f'(2) = -27
  • f(3)=17f'(3) = -17
  • f(4)=7f'(4) = -7
  • f(5)=3f'(5) = 3

Question 3:

The transformation of g(x)g(x) by the translation T=(22)T = \binom{2}{2}.

Apply the translation to g(x)=3x+3g(x) = 3^x + 3: g(x)=g(x2)+2g'(x) = g(x - 2) + 2 Substitute g(x)=3x+3g(x) = 3^x + 3: g(x)=3(x2)+3+2g'(x) = 3^{(x - 2)} + 3 + 2 g(x)=3x2+5g'(x) = 3^{x - 2} + 5 Thus, the correct answer for question 3 is g(x)=3x2+5g'(x) = 3^{x - 2} + 5.

Question 4:

Determine the truth of the following statements based on the function g(x)=3x2+5g'(x) = 3^{x - 2} + 5:

  1. g(0)=627g'(0) = \frac{6}{27} is True.

    • g(0)=302+5=32+5=19+5=469g'(0) = 3^{0 - 2} + 5 = 3^{-2} + 5 = \frac{1}{9} + 5 = \frac{46}{9}.
  2. g(1)=69g'(1) = \frac{6}{9} is True.

    • ( g'(1) = 3^1 Touch

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Math Problem Analysis

Mathematical Concepts

Linear Transformations
Exponential Functions
Translation of Functions

Formulas

Translation formula for functions: f'(x) = f(x - h) + k
Linear function: f(x) = 10x - 2
Exponential function: g(x) = 3^x + 3

Theorems

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Suitable Grade Level

Grades 10-12