Math Problem Statement

The function g is related to a parent function f(x) = sin(x). g(x) = sin(2x βˆ’ πœ‹) (a) Describe the sequence of transformations from f to g. The function g(x) is obtained by a ---Select--- of 2 and a ---Select--- of πœ‹ 2 to the right. (b) Sketch the graph of g.

The x y-coordinate plane is given. A curve has a cycle that repeats horizontally every 4πœ‹. One cycle starts on the x-axis at x = 0, goes down and right becoming less steep, changes direction at the point (πœ‹, βˆ’1), goes up and right becoming more steep, crosses the x-axis at x = 2πœ‹, goes up and right becoming less steep, changes direction at the point (3πœ‹, 1), goes down and right becoming more steep, and stops on the x-axis at x = 4πœ‹. The next cycle starts at x = 4πœ‹.

The x y-coordinate plane is given. A curve has a cycle that repeats horizontally every 4πœ‹. One cycle starts on the x-axis at x = 0, goes down and right becoming less steep, changes direction at the point (πœ‹, βˆ’2), goes up and right becoming more steep, crosses the x-axis at x = 2πœ‹, goes up and right becoming less steep, changes direction at the point (3πœ‹, 2), goes down and right becoming more steep, and stops on the x-axis at x = 4πœ‹. The next cycle starts at x = 4πœ‹.

The x y-coordinate plane is given. A curve has a cycle that repeats horizontally every πœ‹. One cycle starts on the x-axis at x = 0, goes down and right becoming less steep, changes direction at the point (πœ‹β„4, βˆ’1), goes up and right becoming more steep, crosses the x-axis at x = πœ‹β„2, goes up and right becoming less steep, changes direction at the point (3πœ‹β„4, 1), goes down and right becoming more steep, and stops on the x-axis at x = πœ‹. The next cycle starts at x = πœ‹.

The x y-coordinate plane is given. A curve has a cycle that repeats horizontally every πœ‹. One cycle starts on the x-axis at x = 0, goes down and right becoming less steep, changes direction at the point (πœ‹β„4, βˆ’2), goes up and right becoming more steep, crosses the x-axis at x = πœ‹β„2, goes up and right becoming less steep, changes direction at the point (3πœ‹β„4, 2), goes down and right becoming more steep, and stops on the x-axis at x = πœ‹. The next cycle starts at x = πœ‹.

(c) Use function notation to write g in terms of f. g(x) = f 

Solution

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Math Problem Analysis

Mathematical Concepts

Trigonometry
Transformations of functions

Formulas

g(x) = sin(2x - Ο€)
f(x) = sin(x)
g(x) = f(2x - Ο€)

Theorems

Trigonometric transformations
Sine function period and phase shift

Suitable Grade Level

Grades 10-12