92. Movie Advertising The percentage of movie advertising as a share of newspapers' total advertising revenue from 1995 to 2004 can be approximated by J-0.07t + 6.0 if t < 4 if t> 4, p(t) = 0.3t + 17.0 since 1995.20 a. Compute lim,→4- P(t) and lim,-→4* P(t), and interpret each answer. [HINT: See Example 3.] b. Is the function p continuous at t = 4? What does the where t is time in years answer tell you about newspaper revenues?

Algebra and Trigonometry (6th Edition)
6th Edition
ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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92. Movie Advertising The percentage of movie advertising as
a share of newspapers' total advertising revenue from 1995
to 2004 can be approximated by
J-0.07t + 6.0
(0.3t + 17.0
if t < 4
if t> 4,
p(t) =
20
where t is time in years since 1995.
a. Compute lim, „4- p(t) and lim,_„4+ p(t), and interpret
each answer. [HINT: See Example 3.]
b. Is the function
t→4
continuous at t
4? What does the
answer tell you about newspaper revenues?
Transcribed Image Text:92. Movie Advertising The percentage of movie advertising as a share of newspapers' total advertising revenue from 1995 to 2004 can be approximated by J-0.07t + 6.0 (0.3t + 17.0 if t < 4 if t> 4, p(t) = 20 where t is time in years since 1995. a. Compute lim, „4- p(t) and lim,_„4+ p(t), and interpret each answer. [HINT: See Example 3.] b. Is the function t→4 continuous at t 4? What does the answer tell you about newspaper revenues?
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