Chapter 14: Partial Derivatives - Section 14.1 - Functions of Several Variables - Exercises 14.1 - Page 787: 28

Work Step by Step

a. Domain : A set of all $(x,y)$ when $x \ne 0$ . b. Range: The range is $\dfrac{-\pi}{2} \leq z\leq \dfrac{\pi}{2}$ c. The level curves are the straight lines whose the form of $y=cx$ for any real number when $x \ne 0$. d. Boundary points refers to a straight line when $x=0$ e. Open f. Unbounded

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