Question

can you check if I'm right need to know i did these correctly ?

Answer 1

@Michele_Laino

Answer 2

@Michele_Laino im also completely lost on this one

Answer 3

the first answer is right!

Answer 4

second answer:
local minimum at x=-1 and x=3, as we can see from your graph
and the corresponding value of h(x) are:
-2 and -1

Answer 5

third question:
we have to apply this equation:
\[y - \left( { - 3} \right) = - \frac{1}{2}\left( {x - \left( { - 3} \right)} \right)\]

Answer 6

fourth answer, is right!

Answer 7

domain: T is a time, so it is given by the number of minutes
range: W is the quantity of water,as we can see from your formula

Answer 8

hey for number 3 if i use geogebra to graph i get this

Answer 9

that's right!

Answer 10

you graph is right!

Answer 11

your*

Answer 12

ok got it and for this one look what does this mean

Answer 13

since I see "during the next 90 minutes" I say the option:
{90, 91, 92, 93,...}

Answer 14

please wait!

Answer 15

I say
domain: all real numbers from 0 to 90
range all values from 600 to 2850, since:
if T=0, we have:
W=25*0+600=600
if T=2, we have:
W=25*2+600=650
if T=90, we have:
W=25*90+600=2850

Answer 16

ah thats a lot of work man but i see how you did it thanks i kind a understand it now man

Answer 17

thanks! :)

Answer 18

ok is this right

Answer 19

i think i was supposed to go to the right

Answer 20

@Michele_Laino idk how to do this one I'm kinda confused nohow to set it up

Answer 21

@Michele_Laino how do i solve for T