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monitta
3 years ago
11

If f(x) = 5x - 1, then f^-1(x)=

Mathematics
2 answers:
lesantik [10]3 years ago
7 0
F(-1)=5(-1)-1
-5-1
-6
Your answer is-6
Airida [17]3 years ago
3 0

Answer:

f^{-1}(x) = \frac{x+1}{5}

Step-by-step explanation:

let y = f(x) and rearrange making x the subject , that is

y = 5x - 1 ( add 1 to both sides )

y + 1 = 5x ( divide both sides by 5 )

\frac{y+1}{5} = x

Change y back into terms of x , with x = f^{-1} (x) , then

f^{-1} (x) = \frac{x+1}{5}

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Fill in the blanks to complete the proof
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The blanks in this two-column proof should be filled as follows:

<u>Statements                                             Reasons</u>_______________

m∠1 = m∠3                                                Given

m∠CBA = m∠ABE + m∠CBD            Angle Addition Postulate  

m∠ABE = m∠3 + m∠2              Substitution Property of Equality          

m∠CBD = m∠3 + m∠2              Substitution Property of Equality

m∠ABE ≅ m∠CBD                    Transitive Property of Equality

<h3>What is the Angle Addition Postulate?</h3>

In Mathematics, the Angle Addition Postulate states that the measure of an angle formed by two (2) angles that are placed side by side to each other is equal to the sum of the measures of the two (2) angles.

This ultimately implies that, the Angle Addition Postulate can be used to determine the measurement of a missing angle in a geometric figure or it can be used for calculating an angle that is formed by two (2) or more angles such as m∠CBA = m∠ABE + m∠CBD.

Read more on Angle Addition Postulate here: brainly.com/question/24746945

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5 0
1 year ago
Solve the inequality and enter your solution as an inequality comparing the
Amiraneli [1.4K]

Answer:

x - 33 < 8

x < 8 + 33

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x= {40, 39, 38, . . . }

4 0
3 years ago
Find f(3) if f(x)=-3x-6
Nikitich [7]

Answer:

-3(3)-6=-15

Step-by-step explanation:

6 0
3 years ago
A company produces and sells widgets and gizmos. In January the company sold 350 items for a total of $9,000. If each widget sol
iren [92.7K]

Answer:

The company sold 100 widgets and 250 gizmos.

Step-by-step explanation:

Let x_1 be the number of widgets sold and x_2 be the number of gizmos sold.

We are told that the company sold 350 items. We can represent this information in an equation as:

x_1+x_2=350...(1)

We have been given that a each widget sold for $35 and each gizmo sold for $22. The company sold 350 items for a total of $9,000.

We can represent this information in an equation as:

35x_1+22x_2=9,000...(2)

From equation (1), we will get:

x_2=350-x_1

Substitute this value in equation (2):

35x_1+22(350-x_1)=9,000

35x_1+7,700-22x_1=9,000

13x_1+7,700=9,000

13x_1+7,700-7,700=9,000-7,700

13x_1=1,300

\frac{13x_1}{13}=\frac{1,300}{13}

x_1=100

Therefore, the company sold 100 widgets.

Substitute x_1=100 in equation (1):

100+x_2=350

100-100+x_2=350-100

x_2=250

Therefore, the company sold 250 gizmos.

3 0
3 years ago
Read 2 more answers
What is the gcf of 12 and 36
timofeeve [1]
The gcf would be 12 because both 12 and 36 can be divided by 12 and it is the highest number
4 0
4 years ago
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