Question

Jake forgot to replace the cap on a bottle of cologne. The cologne began to evaporate at the rate of 18% per day. If the original amount of cologne in the bottle was 50 grams, which of the following graphs best represents the amount of cologne f(x) remaining in the bottle after x days?

Answer 1

here are the answer choices :

Answer 2

how much do we start out with?

Answer 3

before the days even start: so when x=0, our graph should represent the starting amount.

Answer 4

so, it should start out with 50, if i'm correct ? so it can't be D, can it ?

Answer 5

and A, too ? we can cross them out ?

Answer 6

so far youre doing great

Answer 7

what do i do now ?

Answer 8

well, you have 2 left to determine.

which one has 50 when x=0?

Answer 9

oh ! it would be C !

Answer 10

yeah, im going with C as well.

Answer 11

Thank you !

Answer 12

youre welcome :)