Question

please solve this question​

Answer 1

Answer:

Explanation:

See the attachment and Mark as brainliest plz

Answer 2

Answer:  

the denominator of  

f( x )

cannot be zero as this

would make  f ( x )  undefined. Equating the denominator

to zero and solving gives the values that x cannot be

Solve  x 2 − 4 = 0 ⇒ x

= ± 2

← excluded values

 domain is  ( − ∞ , − 2 ) ∪ ( − 2 , + 2 ) ∪ ( + 2 , ∞ )  

graph{(x+4)/(x^2-4) [-10, 10, -5, 5]}