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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Question

Transcribed Image Text:1. Find constants a and b such that g(x) is continuous for all x, where
if
x<-1
g(x) =
x³
ax + b
(x²+2
if
if
-1<x<2
x ≥2
2. (a) Find the slope of the tangent line to the curve f(x) = 2x³ - 3x at x = -1 using a definition of the derivative
(difference quotient).
(b) Find the equation of the tangent line to the curve f(x) = 2x³ −3 x at x = -1.
3. A plane is flying horizontally at an altitude of 5.5 miles and a speed of 575 mi/h passes directly over a radar station.
Find the rate at which the distance from the plane to the station is increasing when it is 7 mi away from the station.
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