Math Problem Statement

Solve various mathematical problems involving domain and range, function composition, linear equations, and piecewise functions.

Solution

Let's break down the mathematical tasks from the image:

1. Function f(x)=x210+1f(x) = \sqrt{x^2 - 10} + 1

  • (a) Determine the domain and range.
  • (b) Explain any restrictions on the domain and range.
  • (c) Draw the graph of the function.

2. Given two functions f(x)=x+2f(x) = x + 2 and g(x)=1x3g(x) = \frac{1}{x - 3}, perform:

  • (a) Find (f+g)(x)(f + g)(x) and simplify.
  • (b) Find (fg)(x)(f \circ g)(x) and simplify.
  • (c) Find (gf)(x)(g \circ f)(x) and simplify.
  • (d) Determine the domain and range of the resulting functions from parts (a), (b), and (c).

3. Consider the line passing through points A(3,1)A(3, -1) and B(2,4)B(-2, 4):

  • (a) Calculate the slope.
  • (b) Write the equation in point-slope form.
  • (c) Convert from point-slope form to slope-intercept form.
  • (d) Verify the intercepts by graphing the line.

4. Graph the piecewise function f(x)f(x):

\begin{cases} |x + 1| & x < -5 \\ (x - 1)^2 + 1 & -5 \leq x < 5 \\ |x + 1| & x \geq 5 \end{cases}$$ Would you like to start solving any specific question in detail, or go through the entire problem set step by step? Let me know!

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Math Problem Analysis

Mathematical Concepts

Domain and Range
Function Composition
Linear Equations
Piecewise Functions

Formulas

Domain of square root function: For √(x), x ≥ 0
Slope formula: m = (y2 - y1) / (x2 - x1)
Point-slope form: y - y1 = m(x - x1)
Slope-intercept form: y = mx + b

Theorems

Properties of Square Root Functions
Properties of Composition of Functions

Suitable Grade Level

Grades 9-12