Let z = 8x2 + 7y2, and suppose that (x, y) changes from (2, -1) to (2.01, -0.98). (a) Compute Az. Az = (b) Compute dz. dz = (c) Compare the values of Az and dz. O dz is a good approximation of Az. O dz is not a good approximation of Az.

Mathematics For Machine Technology
8th Edition
ISBN:9781337798310
Author:Peterson, John.
Publisher:Peterson, John.
Chapter58: Achievement Review—section Five
Section: Chapter Questions
Problem 24AR: a. Given: x=360 inches and y=5.10 inches. Compute Dia A to 2 decimal places. b. Given: Dia A=8.76...
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Let z =
8x2 + 7y2, and suppose that (x, y) changes from (2, -1) to (2.01, -0.98).
(a) Compute Az.
Az =
(b) Compute dz.
dz =
(c) Compare the values of Az and dz.
O dz is a good approximation of Az.
O dz is not a good approximation of Az.
Transcribed Image Text:Let z = 8x2 + 7y2, and suppose that (x, y) changes from (2, -1) to (2.01, -0.98). (a) Compute Az. Az = (b) Compute dz. dz = (c) Compare the values of Az and dz. O dz is a good approximation of Az. O dz is not a good approximation of Az.
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