Math Problem Statement

Solve it please

Use the graph of f(x) = x^3 to write an equation for the function represented by each graph.

Solution

Let us analyze and solve the given graphs based on the parent function f(x)=x3f(x) = x^3.

Graph (a):

From the graph, the shape resembles the cubic parent function y=x3y = x^3, but it has been shifted vertically upwards by 2 units. There is no horizontal shift or scaling.

Thus, the equation for (a) is: y=x3+2y = x^3 + 2


Graph (b):

The graph appears to be a reflection of the parent function y=x3y = x^3 across the x-axis (negative cubic). Additionally, it has been horizontally shifted 2 units to the right. This means the transformation involves negation and horizontal translation.

Thus, the equation for (b) is: y=(x2)3y = -(x - 2)^3


Final Answers:

  1. (a): y=x3+2y = x^3 + 2
  2. (b): y=(x2)3y = -(x - 2)^3

Do you need further explanations or a detailed breakdown? Let me know!


Here are 5 questions related to the transformations of functions:

  1. What would the graph look like if we shifted y=x3y = x^3 down by 4 units?
  2. How does the graph of y=x3y = -x^3 compare to y=x3y = x^3?
  3. What happens to the graph of y=x3y = x^3 when it is horizontally shifted left by 3 units?
  4. How do vertical stretches or compressions affect the graph of y=x3y = x^3?
  5. What transformations would result in the equation y=(x+1)35y = (x + 1)^3 - 5?

Tip: Always observe changes in the graph's shape (reflection or stretch) and the movement (shift) to determine the transformations step by step!

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Math Problem Analysis

Mathematical Concepts

Transformations of functions
Parent functions
Cubic functions

Formulas

y = x^3 (parent cubic function)
y = f(x) + c (vertical shift)
y = f(x - c) (horizontal shift)
y = -f(x) (reflection)

Theorems

Function transformation rules

Suitable Grade Level

Grades 9-12