Math 381                                                                                Name:  KEY
Quiz 8
  1. State the domain of each function.

    2.  
    1. MATH

      2. MATH
       
    2. $g\circ f(x)$ where MATH and $f(x)=\dfrac{1}{x}.$

      3. MATH
       
  2. Prove that $f(x)=x^{2}+x$ is continuous at $4$ directly from the definition of continuity.

    3. MATH
     
     
  3. Prove that MATH is discontinuous at $2$ directly from the definition of continuity.

    4. MATH
This document created by Scientific WorkPlace 4.0.