Chapter 9.1, Problem 59E

### Mathematical Applications for the ...

12th Edition
Ronald J. Harshbarger + 1 other
ISBN: 9781337625340

Chapter
Section

### Mathematical Applications for the ...

12th Edition
Ronald J. Harshbarger + 1 other
ISBN: 9781337625340
Textbook Problem

# Advertising and sales Suppose that the daily sales S (in dollars) t days after the end of an advertising campaign are S = S ( t ) = 400 + 2400 t + 1 (a) Find S(0).(b) Find lim x → 7 S ( t ) .(c) Find lim x → 14 S ( t ) .

(a)

To determine

To calculate: The value of S(0), where S(t)=400+2400t+1.

Explanation

Given Information:

The daily sales S (in dollars) t days after the end of an advertising campaign are S(t)=400+2400t+1.

Formula used:

For a polynomial function f(x)=anxn+anâˆ’1xnâˆ’1+â‹¯+a1x+a0 where anâ‰ 0 and n is a positive integer,

limxâ†’cf(x)=f(c)

This is defined for all values of c

(b)

To determine

To calculate: The value of the limit limt7S(t) where S(t)=400+2400t+1.

(c)

To determine

To calculate: The value of the limit limt14S(t) where S(t)=400+2400t+1.

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