Question

simplify: f(2) f(-3) f(k) f(kpower2-1)=

Answer 1

This isnt clear for me.

Answer 2

problem: f(x)=2/x-3

Answer 3

ok just put in the values into the equation.
so for example f(2)= 2/2 -3= -2 (or is it 2/(2-3)?)

Answer 4

for k u do the same, so f(k)=2/k-3
f(k^2-1)= 2/(k^2-1)-3