Question

In driving in a straight line from New York to Boston, your position function given in miles from New York is described by the function:

Answer 1

\[f(t) = \frac {5 t^3}{3} - 25 t^2 + 120 t \]

Answer 2

so i need help with this:

9: How far are you from new york at t=1/2 hrs

11: at what time are you backtracking heading back to NY?

12:are you speeding up or slowing down at t=3 hrs?

Answer 3

Damn, that must be dangerous to drive in a straight line all the way to Boston!

Answer 4

haaaa

Answer 5

9. we would put t=0.5 in the governing equation.
can you share your work and I check it if correct or not?

Answer 6

\[f(t) = \frac {5 t^3}{3} - 25 t^2 + 120 t\]

Answer 7

in tthat equation up there should t= 0.5

Answer 8

substitute directly for saving your time. I am sure that you know the equation.

Answer 9

Yes.

Answer 10

{5 (0.5)^3}/{3} - ( 25 (0.5)^2) + (120 (0.5))

Answer 11

53.9583333333333333 do about 54 miles

Answer 12

My dear sister, tell the answer and cascade all the details like substitution. Save your time

Answer 13

ok u wanted to see my work so there u go

Answer 14

ok im done with that one shall we move on to 11

Answer 15

Correct answer!
Be at the top always!

Answer 16

Thank you for the medal!

Answer 17

Be at the top always!

~Inshallah

Answer 18

go to 11?

Answer 19

yes yes

Answer 20

Ok

Answer 21

at what time are you backtracking heading back to NY?

For me, I need to know the distance between the two cities and double it to answer such question
What do you think?

Answer 22

whhat

Answer 23

it takes u 8hrs to get to boston

Answer 24

how did you know?

Answer 25

says it in the problem...( THAT I DIDNT FINISH PUTTING UP

Answer 26

In driving in a straight line from New York to Boston, your position function given in miles from New York is described by the function:
\[f(t) = \frac {5 t^3}{3} - 25 t^2 + 120 t \]
where t is the number of hours since the trip began. It takes you 8 hours to get to Boston.

Answer 27

THATS THE FULL questionI JUST FORGOT TO POST THE LAST PART

Answer 28

Tricky young lady.
Let me think wastefully!

Answer 29

So you can get the answer directly

Answer 30

OK THANKS i need to really hurry up i have 4 more questions and gotta pray isha salah n make dinner etc etc

Answer 31

Do you know what time at me?

Answer 32

excuse me didnt understand what u said

Answer 33

2:06 am and I don't want to go sleep because I am answering your question!

Answer 34

omg im sorry if im bothering u then tell me im sorry!!!
u can get ahead to sleep if u want to

Answer 35

Of course I can but I feel stingy if I did.

Answer 36

its fine

Answer 37

so it'd better to continue!!
what is next?

Answer 38

11:
at what time are you backtracking heading back to NY?

Answer 39

means I traveled to boston and came back. right?

Answer 40

it means u went to Boston and asking in what time are u coming back to ny. like when r u coming back to ny

Answer 41

for example i went to boston at 4pm and what time am i coming back to ny.

Answer 42

no i cant bc im real confused

Answer 43

Easy, sister!

Answer 44

how so

Answer 45

how so brother?

Answer 46

11: at what time are you backtracking heading back to NY?

This is what I get:
I went to Boston (in 8 hrs) . end

another case begins from Boston; what time would you take in your trip from Boston to NY?

got it?

Answer 47

Hint: the same distance traveled in the same time.

Answer 48

boston + 8hrs = back to ny


thats what i understand so far

Answer 49

I think he said "backtracking heading back to NY", not go and come back. makes sense?!

Answer 50

kind of

Answer 51

i need 100 % not some of it

Answer 52

well i dont get it all honestly

Answer 53

damn it its always the last question i have trouble with

Answer 54

Good learner! I really like who ask and stop the explanation when he sticks to something, even it looks like so simple

Answer 55

Is their a girl says "damn"?

Answer 56

especially a Muslim lady?

Answer 57

i meant it like darn it.
like halas im done with this.

Answer 58

calm down...it is not the end of the world!

Answer 59

well im not getting a simple question as u say so it kinda makes me dumb in a way n im a HONOR STUDENT SO THHATS EVEN WORSE

Answer 60

""well im not getting a simple question as u say so it kinda makes me dumb in a way n im a HONOR STUDENT SO THHATS EVEN WORSE""
I did not get what you mean!?

Answer 61

I MEAN im an honor student and me not knowing how to answer a simple question is a joke of myself

Answer 62

anyways I think u should got o sleep now its almost 3am for u. so good night ill figure it out myself. Thanks for ur help. SALAM!

Answer 63

No. I won't sleep until we finish this prob.

Answer 64

Please concentrate!

Answer 65

@khantahmina