Let the number = x
Given: The sum of -5 and a number is -15
Then,
x - 5 = -15
or x = -15 +5 = -10.
Hence, the number is -10
Answer:
Step-by-step explanation:f
(
x
)
=
x
4
−
3
,
g
(
x
)
=
4
x
2
+
2
x
−
4
(
f
+
g
)
(
x
)
Distribute the value across the operation.
f
(
x
)
+
g
(
x
)
Evaluate
f
(
x
)
.
Tap for more steps...
x
4
−
3
Evaluate
g
(
x
)
.
Tap for more steps...
4
x
2
+
2
x
−
4
Compose the result function for
f
(
x
)
+
g
(
x
)
by replacing the function designators with the actual functions.
x
4
−
3
+
(
4
x
2
+
2
x
−
4
)
Simplify.
Tap for more steps...
4
x
2
+
9
x
4
−
7
Answer:
A
Step-by-step explanation: