Chapter 5.3, Problem 46E

Parameterize the following portions of curves: (a) e The straight line between (-5, 3) and (11, 11). (b) A portion of the function f(x) = r* + 1 from (1, 2) to (-2,-7) Three-quarters of the unit circle traversed counter-clockwise, starting at (1,0).

positive x axis points east and the positive y axis points north.

Sketch a contour map of the function. f(x, y) = x² +9y² y X (Write an equation for the cross section at z = 4 using and y.) (Write an equation for the cross section at z = 9 using x and y.) (Write an equation for the cross section at y = 0 using x and z.) y Sketch the graph of the function and compare it to the contour map. (If an answer does not exist, enter DNE. Select Update Graph to see your response plotted on the screen. Select the Submit button to grade your response.) (Write an equation for the cross section at z = 2 using x and y.) (Write an equation for the cross section at x = 0 using y and z.) X y X y X