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LiRa [457]
2 years ago
6

Find the inverse of f(x)=5x-2

Mathematics
1 answer:
kompoz [17]2 years ago
5 0

Answer:

f^{-1}(x) = \frac{x+2}{5}

Step-by-step explanation:

Let y = f(x) and rearrange making x the subject

y = 5x - 2 ( add 2 to both sides )

y + 2 = 5x ( divide both sides by 5 )

\frac{y+2}{5} = x

Change y back into terms of x

f^{-1} (x) = \frac{x+2}{5}

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Write an explicit rule for the geometric sequence (answers down below) :
den301095 [7]

Answer:

Correct answer is third from the top an = 27 · (1/3)∧(n-1)

Step-by-step explanation:

Given geometric sequence :  27, 9, 3, 1,....

First term a1= 27, second term a2= 9, third term a3= 3 etc...

Standard form of the n-th term is

an = a1 · q∧(n-1)

We will find quotient when we divide second term with first and third with second

q = a2/a1 = a3/a2 = 9/27 = 3/9 = 1/3

Formula fot n-th term is

an = 27 · (1/3)∧(n-1)

God with you!!!

5 0
3 years ago
Which is a unit rate?
ss7ja [257]

Answer:

18 miles driven in a week

Step-by-step explanation:

a unit rate is x/1, x being 18 miles and 1 being 1 week

6 0
3 years ago
Use your device keyboard to enter x+1= 7 in the box.<br>Check Answer​
egoroff_w [7]
<h2>ANSWER:</h2>

_______________________________________________________

Answer is x = 6

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<h2>EXPLANATION:</h2>

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We know that 7 - 1 is 6. 6 is what x equals because 7 - 1 is 6 and 6 + 1 is equal to 7.

Hope this helps!

7 0
3 years ago
The equation y-2/3=(x-1/4) is written in point-slope from what equation in slope-intercept from
Maksim231197 [3]

Answer:

y=x+5/12

good luck...

3 0
2 years ago
Help me plz...
cestrela7 [59]

The 3 inside angles of a triangle need to add up to 180 degrees.

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4 0
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