Question

If f
(
9
)
=
2
,
f
′
(
9
)
=
–
1
,
g
(
9
)
=
–
9
,
and g
′
(
9
)
=
5
,
what is h
′
(
9
)
?

Answer 1

Answer:

-3

Step-by-step explanation:

-1+2=1

-9+5=-4

1-4=-3