Question

f(x)=√5-5x when x=-2,8

Answer 1

Just plug in -2 for x to find the value, and then plug in 8 for x

Answer 2

I tried that and the answer was wrong

Answer 3

are u still there?

Answer 4

Yeah

Answer 5

You probably plugged it in wrong

Answer 6

What did you get when you plugged in -2

Answer 7

The answer I got was √-35

Answer 8

How?

Answer 9

f(8)=√5-5(8)

Answer 10

I do not know! this is why I am confused!

Answer 11

Is it \[\sqrt{5}-5x \] or \[\sqrt{5-5x}\]

Answer 12

The 2nd one. I guess I cant find that symbol!

Answer 13

Ok, when x=-2, y=\[\sqrt{15}\]

Answer 14

ok, can u show me how you got that please?