Question

A machine is set up to cut metal strips of varying lengths and widths based on the time (t) in minutes. The change in length is given by the function l(t)=t^2 - sq. root of t, and the change in width is given by w(t)=t^2 - 2t 1/2. Which function gives the change in area of the metal strips?

Answer 1

I would say...(I(t))(w(t))

Answer 2

here the options to choose from
a(t) = t^4+2t
a(t)=t^4+2t+3t 5/2
a(t)=t^4-3t 5/2 +2t
a (t)=t^4+2t-2t 1/2 + sq. rt. of t

Answer 3

In all honesty i didnt learn this yet..but I know that A = LW so we would have to combine the equations.

Answer 4

That's a good start.

Answer 5

I honestly think this is C but not 100% sure...
@ganeshie8 @shrutipande9 @waterineyes can you guys help please?

Answer 6

what is w(t)??

Answer 7

can you write it properly?

Answer 8

@undeadknight26

Answer 9

Is there any need of tagging?

Answer 10

If yes, then tag entire OS members.. :P

Answer 11

Lol what do you mean mate? I didnt know if what i stated was right or wrong so i tagged people to give the person a better answer.

Answer 12

\[Area = Length \times Width \implies A(t) = L(t) \cdot W(t)\]

Answer 13

I am able to read l(t), but can anyone tell what is w(t)??

Answer 14

\[l(t)=t^2 - \sqrt{t}\]

Answer 15

\[w(t)=t^2 - 2 \cdot t^\frac{ 1}{2}\] ???

Answer 16

@Shay96 If you have keyboard, then make use of it.. say something dear.. :P

Answer 17

Sorry, on another question. But w(t) is t^2 - 2t 1/2

Answer 18

What is 2t 1/2?

Answer 19

1/2 is power ot t?

Answer 20

1/2 is power of t?

Answer 21

@undeadknight26 you are right.. :)

Answer 22

Awesome! *flex flex* im always right ;D