Question

David is rowing a boat upstream. The river is flowing at a speed of 2 miles per hour. David starts rowing at a speed of 6 miles per hour, but as he gets tired his speed decreases (at a rate of 1 mile per hour, every hour). Which equation represents the speed of the boat for x hours spent rowing?

Answer 1

@iGreen

Answer 2

@dmezzullo

Answer 3

Do you have any options?

Answer 4

y = x + 4
y = x − 4
y = 4 − x
y = 6 − x
y = 6 − 2x

Answer 5

I wanna say the 2nd to last one, Because he's moving at 6 miles then he starts decreasing but doesn't say how long he decreses for.

Answer 6

thank you

Answer 7

I'm not saying i'm totally right