Question

fear any
Find the domain and the range of the
real function, f(x) = 1\x+3​

Answer 1

Answer:

given : f(x) = 1/x+3

to find domain and Range

x + 3 ≠ 0

x ≠ -3

Domain = { R - ( -3 ) }

let y = 1/x+3

=> y(x+3) = 1

=> x + 3 = 1/y

=> x = 1/y - 3

y ≠ 0

Range = {R - ( -3 , 0 ) }