The domain of the inside function exists, and then an analysis of the outside function may yield an extra restriction to the domain.
Answer: my best guess would be c
Step-by-step explanation: I hope you figure this out maybe use Socratic app that might help
Answer:
95
Step-by-step explanation:
Required Average
=
80
Let the required grade be
x
.
Average
=
Sum of
n
numbers
n
So
80
=
76
+
84
+
65
+
x
4
320
=
225
+
x
x
=
320
−
225
x
=
95
Therefore, the required grade is
95
.
Answer:
find the difference. find the sum
Step-by-step explanation:
