function help given f(x) = 4√-x find:
1. f(4-x)
2. f(4-x^2)
3. f(4-x^4)
4. f(4x- x^2)
5. f(-x^4 - 4x^2)
pls help me for my H.w

Question

function help  given f(x) = 4√-x find: 
1. f(4-x)
2. f(4-x^2)
3. f(4-x^4)
4. f(4x- x^2)
5. f(-x^4 - 4x^2) 
pls help me for my H.w

anonymous · Answer

plug in (4-x) in in place of x in function

anonymous · Answer

what is the answer for no.1?

anonymous · Answer

plug in (4-x) in in place of x in function and you will find out

anonymous · Answer

ic so in given f(4-x) = (4-x)? is this right ?

anonymous · Answer

F[x]=$$4 \sqrt{-x}$$
plug in (4-x) in in place of x in function
$$4 \sqrt{-(4-x)}$$

anonymous · Answer

ok i get it so after that what is next? example no.1

anonymous · Answer

Just Simplify it; this is no.1

anonymous · Answer

thank you so after wards for no.2 no.3 i just give square root right?

anonymous · Answer

discrete math function