Given a2 +1, x<1 f (x) = 2x, %3D x > 1. Is f differentiable at x = 1? Is it continuous at x = 1?.

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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Given
S22 + 1, x<1
f (x) =
2x,
x> 1.
Is f differentiable at x = 1? Is it continuous at x = 1?.
Find the slope of the tangent line to the curve y =
x²+4x+7
7x+2
at the point (1, ).
Determine and of y = (5x2 - )(cos a + In r).
Transcribed Image Text:Given S22 + 1, x<1 f (x) = 2x, x> 1. Is f differentiable at x = 1? Is it continuous at x = 1?. Find the slope of the tangent line to the curve y = x²+4x+7 7x+2 at the point (1, ). Determine and of y = (5x2 - )(cos a + In r).
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