Answer:
Step-by-step explanation:
x = 2 works lol
but if you want a more complicated one:
4x - 4 = 4
there's infinite equations
Answer:
i think the 2nd one
Step-by-step explanation:
Answer:
a)

b) 0.09
Step-by-step explanation:
We are given the following in the question:

where B(t) gives the brightness of the star at time t, where t is measured in days.
a) rate of change of the brightness after t days.

b) rate of increase after one day.
We put t = 1

The rate of increase after 1 day is 0.09