Question

9x + 9

Answer 1

WHat do you need to know? what x is?

Answer 2

link

Answer 3

I don't know if there is some special way of doing it. I would just try values.

Answer 4

i figured it was B because x is 2 i believe but than i looked at C for it being both did u see the link

Answer 5

I saw the link.

Answer 6

Let's try some values.
\[f(0) = 9(0) + 9 = 9\]\[f(1) = 9(1) + 9 = 18\]\[f(2) = 9(2) + 9 = 27\]\[f(3) = 9(3) + 9 = 36\]
So what are you noticing?

Answer 7

its a pattern 1,2,3 and 9,18,27,36

Answer 8

Right. So what can you say about what values of x result in an odd number?

Answer 9

9 is a odd number but does have a factor of 3 so would it make it odd so would the answer be B

Answer 10

Is it B? Let's check it. 3 is an odd number.
\[9(3) + 9 = 36\]36 is even. B is wrong.

Answer 11

oh tht is true 36 is even so nt B oh so its D because is even

Answer 12

x|x= even

Answer 13

4 is even. Let's try it
\[9(4) + 9 = 45\]And that is odd, as expected.

In general, it's \(9(x+1)\), which will be odd when x is even.
So yes.