Answered

how to evaluate functions?

Sagot :

YabMooSanviz
It is to substitute a variable with given number or expressions. 

Example: f(x) = 2x + 4 for x = 3
just replace the the variable "x" with 3...

f(3) = 2(3) + 4 = 10

Answer: f(3) = 10

hope it helps.. :)