Thread: Need a function

Hi,

I need a function f(x) such that:

f(1)=10
f(2)=8
f(3)=6
f(4)=4
f(5)=2

I think what you want is a continuous function:

But the function works

Originally Posted by rainer

Hi,

I need a function f(x) such that:

f(1)=10
f(2)=8
f(3)=6
f(4)=4
f(5)=2

plot these points on a graph ... note that the points will line up nicely.

remember y = mx+b ?

If we assume that f is of the form then

Now, substitute into one of the given points. Namely, we can use