5) Which of the following functions is differentiable for all real numbers a) y = |x²-91 b) y = √10x + 55 √3+x² x²+9 c) y = 2x 1 d) y = ln (e²x - 7x)

Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
Section: Chapter Questions
Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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Q5
5) Which of the following functions is differentiable for all real numbers?
a) y = |x² - 91
b) y = √10x + 55
√3+x²
x²+9
c) y =
-
d) y = ln (e²x − 7x)
Transcribed Image Text:5) Which of the following functions is differentiable for all real numbers? a) y = |x² - 91 b) y = √10x + 55 √3+x² x²+9 c) y = - d) y = ln (e²x − 7x)
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