The graph shows the daily megawatts of electricity used on a record-breaking summer day in Sacramento. Electricity Use a) Is this the graph of a function? Why? b) What is the domain? What is the range? 2500 2300 c) Estimate the number of megawatts used at 8am. Call the function f. Give the answer using function notation. 2100 1900 1700 1500 d) At what time was the most electricity used? the least? 1300 1100 900 e) What is f(12)? What does it mean? 700 12 16 Noon 4 8 20 24 f) During what time intervals is electricity usage increasing? Decreasing? Constant Hours Megawatts
The graph shows the daily megawatts of electricity used on a record-breaking summer day in Sacramento. Electricity Use a) Is this the graph of a function? Why? b) What is the domain? What is the range? 2500 2300 c) Estimate the number of megawatts used at 8am. Call the function f. Give the answer using function notation. 2100 1900 1700 1500 d) At what time was the most electricity used? the least? 1300 1100 900 e) What is f(12)? What does it mean? 700 12 16 Noon 4 8 20 24 f) During what time intervals is electricity usage increasing? Decreasing? Constant Hours Megawatts
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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Transcribed Image Text:The graph shows the daily megawatts of electricity used on a record-breaking summer day
in Sacramento.
Electricity Use
a) Is this the graph of a function? Why?
b) What is the domain? What is the range?
2500
2300
c) Estimate the number of megawatts
used at 8am. Call the function f.
Give the answer using function notation.
2100
1900
1700
1500
d) At what time was the most electricity used?
the least?
1300
1100
900
e) What is f(12)? What does it mean?
700
12
16
Noon
4
8
20
24
f) During what time intervals is electricity usage
increasing? Decreasing? Constant
Hours
Megawatts
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