# 1.7 Homework: graphing

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This module provides practice problems designed to develop some concepts related to graphing.

The following graph shows the temperature throughout the month of March. Actually, I just made this graph up—the numbers do not actually reflect the temperature throughout the month of March. We’re just pretending, OK?

Give a weather report for the month of March, in words.

On what days was the temperature exactly 0°C?

On what days was the temperature below freezing?

On what days was the temperature above freezing?

What is the domain of this graph?

During what time periods was the temperature going up?

During what time periods was the temperature going down?

Mary started a company selling French Fries over the Internet. For the first 3 days, while she worked on the technology, she lost $100 per day. Then she opened for business. People went wild over her French Fries! She made$200 in one day, $300 the day after that, and$400 the day after that. The following day she was sued by an angry customer who discovered that Mary had been using genetically engineered potatoes. She lost \$500 in the lawsuit that day, and closed up her business. Draw a graph showing Mary’s profits as a function of days.

Fill in the following table. Then draw graphs of the functions $y={x}^{2}$ , $y={x}^{2}+2$ , $y={x}^{2}-1$ , $y=\left(x+3{\right)}^{2}$ , $y={2x}^{2}$ , and $y=-{x}^{2}$ .

$x$ ${x}^{2}$ ${x}^{2}+2$ ${x}^{2}-1$ $\left(x+3{\right)}^{2}$ ${2x}^{2}$ $-{x}^{2}$
-3
-2
-1
0
1
2
3

Now describe in words what happened…

• How did adding 2 to the function change the graph?
• How did subtracting 1 from the function change the graph?
• How did adding three to $x$ change the graph?
• How did doubling the function change the graph?
• How did multiplying the graph by –1 change the graph?
• By looking at your graphs, estimate the point of intersection of the graphs $y={x}^{2}$ and $y=\left(x+3{\right)}^{2}$ . What does this point represent?

How we are making nano material?
what is a peer
What is meant by 'nano scale'?
What is STMs full form?
LITNING
scanning tunneling microscope
Sahil
what is Nano technology ?
write examples of Nano molecule?
Bob
The nanotechnology is as new science, to scale nanometric
brayan
nanotechnology is the study, desing, synthesis, manipulation and application of materials and functional systems through control of matter at nanoscale
Damian
Is there any normative that regulates the use of silver nanoparticles?
what king of growth are you checking .?
Renato
What fields keep nano created devices from performing or assimulating ? Magnetic fields ? Are do they assimilate ?
why we need to study biomolecules, molecular biology in nanotechnology?
?
Kyle
yes I'm doing my masters in nanotechnology, we are being studying all these domains as well..
why?
what school?
Kyle
biomolecules are e building blocks of every organics and inorganic materials.
Joe
anyone know any internet site where one can find nanotechnology papers?
research.net
kanaga
sciencedirect big data base
Ernesto
Introduction about quantum dots in nanotechnology
what does nano mean?
nano basically means 10^(-9). nanometer is a unit to measure length.
Bharti
do you think it's worthwhile in the long term to study the effects and possibilities of nanotechnology on viral treatment?
absolutely yes
Daniel
how to know photocatalytic properties of tio2 nanoparticles...what to do now
it is a goid question and i want to know the answer as well
Maciej
Abigail
for teaching engĺish at school how nano technology help us
Anassong
How can I make nanorobot?
Lily
Do somebody tell me a best nano engineering book for beginners?
there is no specific books for beginners but there is book called principle of nanotechnology
NANO
how can I make nanorobot?
Lily
what is fullerene does it is used to make bukky balls
are you nano engineer ?
s.
fullerene is a bucky ball aka Carbon 60 molecule. It was name by the architect Fuller. He design the geodesic dome. it resembles a soccer ball.
Tarell
what is the actual application of fullerenes nowadays?
Damian
That is a great question Damian. best way to answer that question is to Google it. there are hundreds of applications for buck minister fullerenes, from medical to aerospace. you can also find plenty of research papers that will give you great detail on the potential applications of fullerenes.
Tarell
what is the Synthesis, properties,and applications of carbon nano chemistry
Mostly, they use nano carbon for electronics and for materials to be strengthened.
Virgil
is Bucky paper clear?
CYNTHIA
carbon nanotubes has various application in fuel cells membrane, current research on cancer drug,and in electronics MEMS and NEMS etc
NANO
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