The function H(t) = −16t2 + 96t + 80 shows the height H(t), in feet, of a projectile after t seconds. A second object moves in the air along a path represented by g(t) = 31 + 32.2t, where g(t) is the height, in feet, of the object from the ground at time t seconds.
Part A: Create a table using integers 2 through 5 for the 2 functions. Between what 2 seconds is the solution to H(t) = g(t) located? How do you know? (6 points)
Part B: Explain what the solution from Part A means in the context of the problem. (4 points)
Can you pplease help mE??? @triciaal

- anonymous

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- anonymous

HELP ME?

- anonymous

@Abhisar

- anonymous

hello

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## More answers

- anonymous

hi

- anonymous

can you help?

- anonymous

im sorry im not good at these types

- anonymous

its okay

- anonymous

how about you ?

- anonymous

@pooja195 can you help?

- anonymous

dude can anyone help? im really stuck on this

- anonymous

@abb0t can you please help me?

- anonymous

@mathstudent55

- anonymous

please help? @mathstudent55 @abb0t

- anonymous

Hi

- anonymous

@triciaal can you help?

- triciaal

going through the closed questions just did this think yesterday

- triciaal

new
part A do the table

- triciaal

|dw:1437583979413:dw|

- triciaal

fill out the table completely
look at the values of H(t) and g(t) and see where they are approximately equal then look at the "t" column to see between what 2 integers

- anonymous

I have no clue

- triciaal

what do you mean by that? did you actually read my response?

- triciaal

|dw:1437586186176:dw|

- anonymous

i dont know how you did that, the graph and stuff. i dont know how that correlates to the question @triciaal

- anonymous

@abb0t Could you help???

- anonymous

i can help

- anonymous

@lealealea222

- anonymous

THANKYOU

- anonymous

np

- anonymous

she took the 2 expressions from the begging and substituted numbers 2 through 5 for t so u just solve and make the table

- anonymous

begining

- anonymous

okay i see that

- anonymous

so now u just solve the equations and write the numbers in for the table

- anonymous

for example for the first equation -16t^2+96t+80
ill substitute in 2

- anonymous

-16(2)^2+96*2+80
-16*4+96*2+80
-64+192+80
208

- anonymous

ok ill try, what number do i plug in for t?

- anonymous

well i did 2 so u do 3 for t

- anonymous

ill check it

- anonymous

tell me when ur done

- anonymous

-16(3)^2+96*3+80= 224

- anonymous

yep so now do 4 for t then 5 for t after that

- anonymous

ok

- anonymous

what did u get

- anonymous

-16(4)^2+96*4+80=208
-16(5)^2+96*5+80=160

- anonymous

yep so now ur halfway done with part A

- anonymous

yyay

- anonymous

31+32.2*t is ur new equation so just do the same thing again t for 2 then 3 then 4 then 5

- anonymous

-16(2)^2+96*2+80=208
-16(3)^2+96*3+80= 224
-16(4)^2+96*4+80=208
-16(5)^2+96*5+80=160

- anonymous

no now use the equation 31+32.2t and plug in 2 then 3 then 4 then 5 for t

- anonymous

ooh okay sorry

- anonymous

sokay

- anonymous

31+32.2(2)=95.4
31+32.2(3)=127.6
31+32.2(4)=159.8
31+32.2(5)=192

- anonymous

good now plug those into the table

- anonymous

how do i do that?

- anonymous

it should look like this
|dw:1437587989265:dw|

- anonymous

Yea, is that what i put for part A?

- anonymous

yep

- anonymous

well u also have to say when are they equal

- anonymous

ok awesome, im gonna write that down, then can we do part B?

- anonymous

when do u think they are equal

- anonymous

between which 2 t numbers

- anonymous

erm they arent?

- anonymous

not at that exact second (remeber t stands for seconds) but between which two numbers would it be. for example lets say u had 2 for one and 3 for the other at 1 sec then 3 for one of them and 2 for the other that means inbetween the seconds they were equal

- anonymous

so between which seconds do u think they were equal

- anonymous

H(t) 4 and G(t)5

- anonymous

u just say between 4 and 5 seconds

- anonymous

Awesome thanks

- anonymous

Can you help with B?

- anonymous

now lets do part b remmeber u have to explain how u got between 4 and 5 secs

- anonymous

ok i got it down, now can you help with B?

- anonymous

so what do u think it means that they where the same between 4 and 5 Hint:talk about what its about read the question to find what was happening

- anonymous

It means the in feet, of projectile after 4 seconds, the same as A second object moves in the air along a path at 5 seconds

- anonymous

yep good job!

- anonymous

@lealealea222 before u close it can u do me a favor

- anonymous

hello @lealealea222

- anonymous

yea sure

- anonymous

can u medal @triciaal instead of me

- anonymous

um yea sure

- anonymous

oh yea i see, she medaled you

- anonymous

its just that i worked off of what he said so he helped first so he deserves it

- anonymous

yea thats true, thankyou for helping

- anonymous

np

- anonymous

Don't forget to fan if you already haven't. Plus send me a message if you need more help @lealealea222

- anonymous

ok :)

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