Question

math

Answer 1

@oliver69

Answer 2

@aubree

Answer 3

What's the question?

Answer 4

how you add -5t +19t = ?

t mean radical index 4 of x

and the same way of subtraction

when you evaluate f+g and f-g so just substitute in place of x the 16 in these resulted expressions of f+g and f-g

hope helped understandably easy

Answer 5

\[(f+g)(x)=f(x)+g(x)\]
\[(f-g)(x)=f(x)-g(x)\]