What is the domain of each part of the piecewise-defined function? (Enter your answers using interval notation.) Domain: -1.95x + 25.9 X = Domain: 0.535x2 - 1.58x + 6.2 X = (b) Find f(5) and f(11). (Round your answers to one decimal place.) f(5)

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 the chart of revenues and the model, what are the solutions to the questions included? 

What is the domain of each part of the piecewise-defined function? (Enter your answers using interval notation.)
Domain: -1.95x + 25.9
X =
Domain: 0.535x2 - 1.58x + 6.2
X =
(b) Find f(5) and f(11). (Round your answers to one decimal place.)
f(5) =
f(11):
=
Transcribed Image Text:What is the domain of each part of the piecewise-defined function? (Enter your answers using interval notation.) Domain: -1.95x + 25.9 X = Domain: 0.535x2 - 1.58x + 6.2 X = (b) Find f(5) and f(11). (Round your answers to one decimal place.) f(5) = f(11): =
The table shows the monthly revenue y (in thousands of dollars) of a landscaping business for each month of the year 2016, with x = 1 representing January.
Month, x
Revenue, y
1
5.1
5.1
6.2
8.3
11.4
15.6
12.3
8
10.4
9
8.4
10
6.5
11
4.6
12
A mathematical model that represents these data is
-1.95x + 25.9
f(x) =
0.535x21.58x + 6.2.
=
2 3 4 5 N
7
Transcribed Image Text:The table shows the monthly revenue y (in thousands of dollars) of a landscaping business for each month of the year 2016, with x = 1 representing January. Month, x Revenue, y 1 5.1 5.1 6.2 8.3 11.4 15.6 12.3 8 10.4 9 8.4 10 6.5 11 4.6 12 A mathematical model that represents these data is -1.95x + 25.9 f(x) = 0.535x21.58x + 6.2. = 2 3 4 5 N 7
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