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Let’s check out your problem:
Given
h
(
x
)
=
−
x
−
2
h(x)=-x-2
h
(
x
)
=
−
x
−
2
, find
h
(
4
)
h(4)
h
(
4
)
.
\newline
Answer:
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Math Problems
Algebra 2
Add, subtract, multiply, and divide complex numbers
Full solution
Q.
Given
h
(
x
)
=
−
x
−
2
h(x)=-x-2
h
(
x
)
=
−
x
−
2
, find
h
(
4
)
h(4)
h
(
4
)
.
\newline
Answer:
Substitute value into function:
Substitute the value of
4
4
4
into the function
h
(
x
)
h(x)
h
(
x
)
.
h
(
4
)
=
−
(
4
)
−
2
h(4) = -(4) - 2
h
(
4
)
=
−
(
4
)
−
2
Perform multiplication and subtraction:
Perform the multiplication and subtraction.
\newline
h
(
4
)
=
−
4
−
2
h(4) = -4 - 2
h
(
4
)
=
−
4
−
2
Combine numbers to find value:
Combine the numbers to find the value of
h
(
4
)
h(4)
h
(
4
)
.
h
(
4
)
=
−
6
h(4) = -6
h
(
4
)
=
−
6
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Write your simplified answer in the form
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Question
What is the amplitude of
y
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x
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)
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?
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What is the period of
\newline
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2
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7
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Give an exact value.
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Question
3
⋅
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3
+
20
i
)
=
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3
⋅
(
3
+
20
i
)
=
\newline
Your answer should be a complex number in the form
a
+
b
i
a+b i
a
+
bi
where
a
a
a
and
b
b
b
are real numbers.
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Question
(
35
−
23
i
)
+
(
13
+
25
i
)
=
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(
35
−
23
i
)
+
(
13
+
25
i
)
=
\newline
Express your answer in the form
(
a
+
b
i
)
(a+b i)
(
a
+
bi
)
.
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