Answer:
x=12
Step-by-step explanation:
9x-14=2(3x+11)
9x-14=6x+22
9x-6x=22+14
3x=36
x=36/3=12
Answer:
Square is 90 degree angle
Step-by-step explanation:
1/3 of 30 would be 10. So 10 students walk to school.
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
)
.
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x
4
−
3
Evaluate
g
(
x
)
.
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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.
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4
x
2
+
9
x
4
−
7
Answer:
a)
Step-by-step explanation:
X'(-6;9)
Y'(9,3)
Z'(-8,-6)