If f
(
1
)
=
3
f(1)=3 and
f
(
n
)
=
f
(
n
−
1
)
−
3
f(n)=f(n−1)−3 then find the value of
f
(
4
)
f(4).

How to find the exponential function y=ca^x, with points (1,2) and (2,1)

Acyclist bike x distance at 10 miles per hour .and returns over the same path at 8 miles per hour.what is the cyclist average rate for the round trip in miles per hour ?

15 points what is the end behavior of this graph? & what is the asymptote of this graph?