Question

If f(x) = x2 – 3 and g(x) = 4x +3, then f(g(2)) =

Answer 1

Answer:

4*+1

Step-by-step explanation:

To find

g

(

f

(

x

)

)

you must substitute

f

(

x

)

or

4

x

+

3

for each occurrence of

x

in

g

(

x

)

.

g

(

x

)

=

x

−

2

becomes:

g

(

f

(

x

)

)

=

(

4

x

+

3

)

−

2

g

(

f

(

x

)

)

=

4

x

+

3

−

2

g

(

f

(

x

)

)

=

4

x

+

1