After a certain medicine is injected, its concentration in the bloodstream changes exponentially over time. The graph describes the medicine's concentration (in milligrams per liter) over time (in hours).
A decreasing exponential function passes through the point (0, 100) and the point (1,70).
A decreasing exponential function passes through the point (0, 100) and the point (1,70).
What was the concentration of the medicine when it was injected?
milligrams per liter

which expression can be used to convert 80 us dollars (usd) to australian dollars (aud)?

1 usd = 1.0343 aud

1 aud = 0.9668 usd

step-by-step explanation:

sorry just need the points

use formula for the circle a=3.14

step-by-step explanation:

the image is given below

since the options are not given so we draw it from the equation

the given equation is

y = (x-1) (x+4)

y = y² + 3x - 4

the above equation is a quadratic equation which will have two roots. if we draw the graph for it, it will look like this