Question

A watering can dispenses water at the rate of 0.3 gallon per minute. The original volume of water in the can was 7 gallons. Which set of ordered pairs shows the volume of water in the can in gallons (y), as a function of time in minutes (x), from the first minute after the can starts dispensing water?

{(1, 6.7), (2, 6.4), (3, 6.1)}
{(1, 7.0), (2, 6.7), (3, 6.4)}
{(6.7, 1), (6.4, 2), (6.1, 3)}
{(7.0, 1), (6.7, 2), (6.4, 3)}

Answer 1

@sammixboo

Answer 2

Your x will be increasing by 1 while your y will be increasing by 0.3

Answer 3

C!

Answer 4

WAIT your y will be DECREASING by 0.3

Answer 5

oh lol i got confused..

Answer 6

A!

Answer 7

It's OK

Answer 8

when x=1 min.
y=7-0.3*1=6.7
when x=2
..............

Answer 9

Not quite. You need to have the coordinate (1, 7.0) since that is what we started with

Answer 10

ohhh.. B!!!!

Answer 11

Correct :)

Answer 12

you are correct. he started after 1 minute.