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not sure about number 1

for number 1 oh wait a sec

So when you said that the second one is correct, do you mean the choice that is selected in the following screenshot?

Also, were you able to get the graph for Question 1?

ya good ?

the second is correct 

 let x  = 3  ....so....

floor (3)  = 3

So

floor(3)  - 3  =  0

And   let x  = 2.5     .....so....

floor (2.5)  = 2 

So

floor (2.5) -  3  =  2  - 3  =  -1

Start with this info:

The standard form is (x - h)2 = 4p (y - k), where the focus is (h, k + p) and the directrix is y = k - p.

we'll try to get your equation in that form....then everything pops out at ya...

(x-2)^2  = 24 (y-3)      

(x-2)^2 = 4(6)(y-3)     Now you can see that the focus is   2,9    and the directrix is y = 3-6 = -3

Really? Ooook...

yeah

It's the 4 th one....below the one you chose...sorry ! 

Thanks Panda :)

Thank you so much for your help!

x = 10

So

2 ( 2*10 + 11) =

2 (31) =

62  !!!!!   CORRECT !!!

Thanks CPhill, I figured my first two choices were correct considering they are the only ones completely above the x-axis.

Sorry!!! I was in a rush because I was in a Spanish Test and had to finish it by 3 (had to go to work). I just wanted to answer before I left and didn't have time to explain. 

It is constant because it doesn't increase or decrease and just continues to go in a straight line. I hope that makes sense. I'm not the best at explaining.

Rewrite in simplest radical form:

Is it 62??

\(i) ~~~~4x^2 y^5\sqrt{3x}\\ \text{you do (j)}\)

thank u 

Thanks but what is that  "times" stands for?