A function f(x) is continuous at a point a if: a.f''(a) exists. b.f'(a) exists. c. ...

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Author Question: A function f(x) is continuous at a point a if: a.f''(a) exists. b.f'(a) exists. c. ... (Read 67 times)

laurencescou

Hero Member
Posts: 593

on: Aug 1, 2018

A function f(x) is continuous at a point a if:
a.f^''(a) exists.
b.f^'(a) exists.
c.

Question 2

Let f(x,y)=40x^-3e^{-1/2 y} then

________.
a.-20x^-3e^-1/2^y.
b.-120x^-4e^-1/2^y.
c.-80x^-3e^-1/2^y.
d.-60x^-4e^-1/2^y.

Bsand8

Sr. Member
Posts: 327

Reply #1 on: Aug 1, 2018

Answer to Question 1

correct: d

Answer to Question 2

correct: a

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