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Nonamiya [84]
2 years ago
13

19. If f(x) = 6x + 3, find f-1(x).

Mathematics
1 answer:
KengaRu [80]2 years ago
4 0

Answer:

f^{-1}(x) = \frac{x-3}{6}

Step-by-step explanation:

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

y = 6x + 3 ( subtract 3 from both sides )

y - 3 = 6x ( divide both sides by 6 )

\frac{y-3}{6} = x

change y back into terms of x, thus

f^{-1}(x) = \frac{x-3}{6}

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suppose your school sells a total of 1139 tickets for a basketball game. An adult ticket cost $5. A student ticket cost $1. The
Wewaii [24]

Answer:

look at picture

Step-by-step explanation:

x: adult tickets

y: student tickets

3 0
3 years ago
Which of the following measurements, in centimeters (cm), could be the lengths of the sides of a triangle? Select all that apply
monitta
The answer is
A cuz 3^2+4^2=5^2
5 0
3 years ago
Perimeter of a quarter circle is 17.85 what is the quarter circles radius
givi [52]

The radius of the given circle  is 2.84 units

Step-by-step explanation:

Step 1 :

Given

The perimeter of a quarter table is 17.85

We need to find the circle's radius.

Step 2 :

The circle's perimeter is given by the formula, 2 \pi r where r represents the circle's radius

So from this we have ,

2 \pi r = 17.85

We can determine the radius by dividing the perimeter value by 2 \pi

= >  r = 17.85 divided by 2 \pi r

        = 2.84 [ taking  \pi  = \frac{22}{7}]

Step 3 :

Answer :

The radius of the given circle  is 2.84 units

4 0
3 years ago
Please give me the correct answer.​
ANEK [815]
Answer x=1/5
6x-3=-9x
-3=-15x
-3/-15x=1/5
7 0
2 years ago
Easy question
Ira Lisetskai [31]

Answer:

7/16

Step-by-step explanation:

Let the fraction be x/y

(x+5)/(y+5) = 4/7

7x + 35 = 4y + 20

7x + 15 = 4y

(x-1)/(y-1) = 2/5

5x - 5 = 2y - 2

2y = 5x - 3

7x + 15 = 2(5x - 3)

7x + 15 = 10x - 6

3x = 21

x = 7

2y = 5(7) - 3

2y = 32

y = 16

x/y = 7/16

5 0
3 years ago
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