Calculus (3rd Edition)

Published by W. H. Freeman
ISBN 10: 1464125260
ISBN 13: 978-1-46412-526-3

Chapter 2 - Limits - 2.4 Limits and Continuity - Exercises - Page 67: 46


$ f(x)=3^{-x^2}$ is contiuous on $ R $.

Work Step by Step

Since ${x^2}$ is defined for all $ x\in R $ and continuous, then by using the continuity laws $ f(x)=3^{-x^2}$ is continuous on $ R $.
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