: multiplication of with 1/4 with respect to the -axis and a translation of along the -axis
: multiplication of with 1/2 with respect to the -axis and a translation of along the -axis
gives
gives . Solution:
. Graph: if , then .
Study the graphs:
and . So the length of is .
en . Dus is .
gives
gives
gives
gives
gives
gives
gives
gives
gives
gives
gives
gives
is decreasing, so is increasing.
The medication enters the blood slower and slower.
Solving gives , so just after minutes.