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Let’s check out your problem:
What is
(
f
+
g
)
(
x
)
(f + g)(x)
(
f
+
g
)
(
x
)
?
\newline
f
(
x
)
=
2
x
2
f(x) = 2x^2
f
(
x
)
=
2
x
2
\newline
g
(
x
)
=
−
2
x
+
4
g(x) = -2x + 4
g
(
x
)
=
−
2
x
+
4
\newline
Write your answer as a polynomial or a rational function in simplest form.
\newline
______
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Math Problems
Algebra 1
Multiply functions
Full solution
Q.
What is
(
f
+
g
)
(
x
)
(f + g)(x)
(
f
+
g
)
(
x
)
?
\newline
f
(
x
)
=
2
x
2
f(x) = 2x^2
f
(
x
)
=
2
x
2
\newline
g
(
x
)
=
−
2
x
+
4
g(x) = -2x + 4
g
(
x
)
=
−
2
x
+
4
\newline
Write your answer as a polynomial or a rational function in simplest form.
\newline
______
Identify Formula:
Identify the formula for
(
f
+
g
)
(
x
)
(f + g)(x)
(
f
+
g
)
(
x
)
. The correct formula is
(
f
+
g
)
(
x
)
=
f
(
x
)
+
g
(
x
)
(f + g)(x) = f(x) + g(x)
(
f
+
g
)
(
x
)
=
f
(
x
)
+
g
(
x
)
.
Substitute Values:
We have
f
(
x
)
=
2
x
2
f(x) = 2x^2
f
(
x
)
=
2
x
2
and
g
(
x
)
=
−
2
x
+
4
g(x) = -2x + 4
g
(
x
)
=
−
2
x
+
4
. Substitute these values into the formula to get
(
f
+
g
)
(
x
)
=
2
x
2
+
(
−
2
x
+
4
)
(f + g)(x) = 2x^2 + (-2x + 4)
(
f
+
g
)
(
x
)
=
2
x
2
+
(
−
2
x
+
4
)
.
Simplify Equation:
Simplify the equation
(
f
+
g
)
(
x
)
=
2
x
2
+
(
−
2
x
+
4
)
(f + g)(x) = 2x^2 + (-2x + 4)
(
f
+
g
)
(
x
)
=
2
x
2
+
(
−
2
x
+
4
)
to find
(
f
+
g
)
(
x
)
(f + g)(x)
(
f
+
g
)
(
x
)
.
\newline
(
f
+
g
)
(
x
)
=
2
x
2
−
2
x
+
4
(f + g)(x) = 2x^2 - 2x + 4
(
f
+
g
)
(
x
)
=
2
x
2
−
2
x
+
4
More problems from Multiply functions
Question
Find the inverse of the function.
y
=
x
+
3
y = x + 3
y
=
x
+
3
Write your answer in the form
a
x
+
b
ax + b
a
x
+
b
. Simplify any fractions.
y
=
y =
y
=
_____
Get tutor help
Posted 9 months ago
Question
Find
(
r
∘
s
)
(
x
)
(r \circ s)(x)
(
r
∘
s
)
(
x
)
.
\newline
r(x) =
3
3
3
x
\newline
s(x) =
2
2
2
x +
5
5
5
\newline
Write your answer as a polynomial in simplest form.
\newline
(
r
∘
s
)
(
x
)
=
(r \circ s)(x) =
(
r
∘
s
)
(
x
)
=
____
Get tutor help
Posted 1 year ago
Question
What is
(
f
+
g
)
(
x
)
(f + g)(x)
(
f
+
g
)
(
x
)
?
\newline
f
(
x
)
=
−
3
x
f(x) = -3x
f
(
x
)
=
−
3
x
\newline
g
(
x
)
=
3
x
+
1
g(x) = 3x + 1
g
(
x
)
=
3
x
+
1
\newline
\newline
Write your answer as a polynomial or a rational function in simplest form.
\newline
‾
\underline{\hspace{3cm}}
\newline
Get tutor help
Posted 1 year ago
Question
What is
(
f
∗
g
)
(
x
)
(f * g)(x)
(
f
∗
g
)
(
x
)
?
\newline
f
(
x
)
=
−
x
+
4
f(x) = -x + 4
f
(
x
)
=
−
x
+
4
\newline
g
(
x
)
=
4
x
g(x) = 4x
g
(
x
)
=
4
x
\newline
\newline
Write your answer as a polynomial or a rational function in simplest form.
\newline
‾
\underline{\hspace{3em}}
\newline
Get tutor help
Posted 1 year ago
Question
What is the domain of
(
f
g
)
(
x
)
\left(\frac{f}{g}\right)(x)
(
g
f
)
(
x
)
?
\newline
f
(
x
)
=
2
x
f(x) = 2x
f
(
x
)
=
2
x
\newline
g
(
x
)
=
−
5
x
+
3
g(x) = -5x + 3
g
(
x
)
=
−
5
x
+
3
\newline
Choices:
\newline
[
A]All real numbers
[\text{A]All real numbers}
[
A]All real numbers
\newline
[
B]All real numbers except
3
5
[\text{B]All real numbers except } \frac{3}{5}
[
B]All real numbers except
5
3
\newline
[
C]All real numbers except
−
3
5
[\text{C]All real numbers except } -\frac{3}{5}
[
C]All real numbers except
−
5
3
\newline
[
D]All real numbers except
5
3
[\text{D]All real numbers except } \frac{5}{3}
[
D]All real numbers except
3
5
Get tutor help
Posted 1 year ago
Question
Find the inverse of the function.
\newline
y =
−
3
x
-3x
−
3
x
\newline
Write your answer in the form
a
x
+
b
ax + b
a
x
+
b
. Simplify any fractions.
\newline
y = ______
Get tutor help
Posted 1 year ago
Question
Find
(
f
∘
g
)
(
0
)
(f \circ g)(0)
(
f
∘
g
)
(
0
)
.
\newline
f
(
x
)
=
6
x
f(x) = 6x
f
(
x
)
=
6
x
\newline
g
(
x
)
=
x
2
+
4
x
g(x) = x^2 + 4x
g
(
x
)
=
x
2
+
4
x
\newline
(
f
∘
g
)
(
0
)
=
(f \circ g)(0) =
(
f
∘
g
)
(
0
)
=
____
Get tutor help
Posted 1 year ago
Question
Find
(
f
∘
g
)
(
x
)
(f \circ g)(x)
(
f
∘
g
)
(
x
)
.
\newline
f
(
x
)
=
x
2
+
5
f(x) = x^2 + 5
f
(
x
)
=
x
2
+
5
\newline
g
(
x
)
=
4
x
g(x) = 4x
g
(
x
)
=
4
x
\newline
Write your answer as a polynomial in simplest form.
\newline
(
f
∘
g
)
(
x
)
=
(f \circ g)(x) =
(
f
∘
g
)
(
x
)
=
______
Get tutor help
Posted 1 year ago
Question
Is
f
(
x
)
f(x)
f
(
x
)
the inverse function of
g
(
x
)
g(x)
g
(
x
)
?
\newline
f
(
x
)
=
x
f(x) = x
f
(
x
)
=
x
\newline
g
(
x
)
=
−
4
x
g(x) = -4x
g
(
x
)
=
−
4
x
\newline
Choices:
\newline
[yes]
\text{[yes]}
[yes]
\newline
[no]
\text{[no]}
[no]
Get tutor help
Posted 1 year ago
Question
What is
(
f
∗
g
)
(
x
)
(f * g)(x)
(
f
∗
g
)
(
x
)
?
f
(
x
)
=
3
x
2
+
9
x
f(x) = 3x^2 + 9x
f
(
x
)
=
3
x
2
+
9
x
g
(
x
)
=
3
x
g(x) = 3x
g
(
x
)
=
3
x
Write your answer as a polynomial or a rational function in simplest form. ______
Get tutor help
Posted 9 months ago
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