Use the definition of the derivative to find the equations of the lines described in Exercises 59–64. 59. The tangent line to f(x) = x² at x = -3. 60. The tangent line to f(x) = x² at x = 0. 61. The line tangent to the graph of y = 1 – x – x² at the point (1, –1). 62. The line tangent to the graph of y = 4x + 3 at the point (-2, –5). %3D 63. The line that passes through the point (3, 2) and is parallel to the tangent line to f(x) = - at x = -1. 64. The line that is perpendicular to the tangent line to f (x) = x4 +1 at x = 2 and also passes through the point (–1, 8). For each function f graphed in Exercises 65–68, determine the values of x at which f fails to be continuous and/or differen- tiable. At such points, determine any left or right continuity or differentiability. Sketch secant lines supporting your answers.

Calculus: Early Transcendentals
8th Edition
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Author:James Stewart
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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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Use the definition of the derivative to find the equations of the
lines described in Exercises 59–64.
59. The tangent line to f(x) = x² at x = -3.
60. The tangent line to f(x) = x² at x = 0.
61. The line tangent to the graph of y = 1 – x – x² at the
point (1, –1).
62. The line tangent to the graph of y = 4x + 3 at the point
(-2, –5).
%3D
63. The line that passes through the point (3, 2) and is parallel
to the tangent line to f(x) = - at x = -1.
64. The line that is perpendicular to the tangent line to f (x) =
x4 +1 at x = 2 and also passes through the point (–1, 8).
For each function f graphed in Exercises 65–68, determine the
values of x at which f fails to be continuous and/or differen-
tiable. At such points, determine any left or right continuity or
differentiability. Sketch secant lines supporting your answers.
Transcribed Image Text:Use the definition of the derivative to find the equations of the lines described in Exercises 59–64. 59. The tangent line to f(x) = x² at x = -3. 60. The tangent line to f(x) = x² at x = 0. 61. The line tangent to the graph of y = 1 – x – x² at the point (1, –1). 62. The line tangent to the graph of y = 4x + 3 at the point (-2, –5). %3D 63. The line that passes through the point (3, 2) and is parallel to the tangent line to f(x) = - at x = -1. 64. The line that is perpendicular to the tangent line to f (x) = x4 +1 at x = 2 and also passes through the point (–1, 8). For each function f graphed in Exercises 65–68, determine the values of x at which f fails to be continuous and/or differen- tiable. At such points, determine any left or right continuity or differentiability. Sketch secant lines supporting your answers.
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