Answer:
To find the average rate of change, we divide the change in the output value by the change in the input value.
Step-by-step explanation:
Answer:
Step-by-step explanation:When a quadratic function is graphed in the coordinate plane, the resulting parabola and corresponding axis of symmetry are vertical. The graph of the parabola represented by the quadratic function y = a( x - p )2 + q has an axis of symmetry represented by the equation of the vertical line x = p.
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
You already have the answer
Answer:
Step-by-step explanation:
I assume this is a repeating decimal where the sequence continues infinitely.
Let x=.252525... then
100x-x=25.25...-0.25...
99x=25
x=25/99