If f(x) is the height, in cm, of a sunflower plant that is x days old, which of the following statements best describes the meaning of f(60) = 210?

The height of the sunflower plant is 60 cm when it is 210 days old.
The height of the sunflower plant is 210 cm when it is 60 days old.
The height of the sunflower plant is 210 cm when it is 3.5 days old.
The height of the sunflower plant is 60 cm when it is 3.5 days old.

step-by-step explanation:

the original amount doesn't ''re just looking for the time it takes for 1/2 of the substance to we have

(1/2) =)     take the ln   of both sides

ln (1/2)   = )   and we can write

ln(1/2) = ) lne     and lne   = 1     so we have

ln(1/2) = -.1092t     divide both sides by -.1092

t = ln(1/2)/-.1092 = about 6.347 days = about 6.3 days (rounded)

oof

step-by-step explanation:

8

step-by-step explanation: