Question

DOmain of f(x)=1/root of x^2-9

Answer 1

Answer:

f(x)=1/root of x^2-9

DOMAIN=R-{+3,-3}

Step-by-step explanation:

X^2-9>0

x^2>9

x>√3

x>+3,-3

therefore domain is R-{+3,-3}