Chapter 4.1, Problem 45E

Determine an equation of the line tangent to the curve y = /5x-4 at the point with x- coordinate 4. Paragraph BIU A II lilh

(e) The instructor adds 4 points to the average exam score ofeveryone in the class. Describe the changes in the positionsof the plotted points and the change in the equation of theline.

Consider + 4 4 =1 9 Sketch and describe the graph b. Find the equation of the tangent at the point (2,2,3) C. Find the linear approximation to the function z = z(x,y) at this point a.