Let f be a differentiable function. A line is tangent to both of the curves y= √1+x2 and y = f(x) when x=1. Match the following with your answer rounded to 3 decimal places.

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter5: Inverse, Exponential, And Logarithmic Functions
Section: Chapter Questions
Problem 21T
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Let f be a differentiable function. A line is tangent to both of the curves y= √1+x2 and y = f(x) when x=1. Match the following with your answer rounded to 3 decimal places. NA means not applicable.

ANSWER OPTIONS : 0.707, 1.414, 0.354, NA, and 0.618

 

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