Question

Whoever is good at precalc pleaseee help!!!!
find the domain of the function:
f(x)=√2-x
the square root is over the x too

Answer 1

Since the square root only non-negative inputs, then we need \(2-x\geq 0\) i.e., \(x\leq 2\)

Answer 2

only accepts non-negative inputs

Answer 3

want to see the choices?

Answer 4

In interval notation that is equicalent to \((-\infty,2]\).

Answer 5

thanks you

Answer 6

for the given functions f(x)=8x=5, g(x)=4x-1, find the compostion (fog)(x) the o btw the f and g is supposed to be a little of i think meaning of