Question

f(x) = x2-1
g(x) = x - 2
gof ( a) = 1
find a​

Answer 1

Answer:

a=2

Step-by-step explanation:

f(a)= a2 -1

gof(a) = a2 -1-2

1 = a2-3

a2=4

a=2

Answer 2

Answer:

a=2

Step-by-step explanation:

If zero of g(x) is a

then

g (a) = a - 2 = 0

a = 2