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Gemiola [76]
2 years ago
11

What is the inverse of the function? f(x)=3x−1

Mathematics
1 answer:
Hatshy [7]2 years ago
5 0

Answer:

The inverse is 1/3 (x+1)

Step-by-step explanation:

y = 3x-1

Exchange x and y

x = 3y-1

Solve for y

Add 1 to each side

x+1 = 3y-1+1

x+1 = 3y

Divide each side by 3

(x+1)/3 = 3y/3

1/3(x+1) =y

The inverse is 1/3 (x+1)

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1.3b^2 t 4b+1 when b=-2
lutik1710 [3]
1- 3(-2^2t)-7
2- 12+5=17
3- -10-6= -16
4- 2(-5^3)= -250

I can’t find the first one because of t
4 0
3 years ago
The perimeter of a rectangular garden is 290 feet. If the width of the garden is 62 feet, what is its length?
olga2289 [7]

Answer:

83

Step-by-step explanation:

Remember that the perimeter of a rectangle is two times the width plus two times the length. In other words:

2W + 2L = P

We know that the perimeter is 290 and the width is 62. We can plug these into the equation and solve for L.

2(62) + 2L = 290

124 + 2L = 290

Subtract 124 from both sides.

2L = 166

Divide both sides by 2.

L = 83

So now we know that the length is 83 feet.

I hope you find my answer and explanation to be helpful. Happy studying.

5 0
3 years ago
Read 2 more answers
The point slope form of an equation of the line that passes through (-4, -3) and (12, 1) is y -1 =1/4(x-12). What is the standar
luda_lava [24]

The standard form: Ax + By = C.

We have:

y-1=\dfrac{1}{4}(x-12)\qquad|\text{multiply both sides by 4}\\\\4y-4=x-12\qquad|\text{add 12 to both sides}\\\\4y+8=x\qquad|\text{subtract 4y from both sides}\\\\8=x-4y

<h3>Answer: x - 4y = 8</h3>
6 0
3 years ago
Use the distributive property to rewrite the expression and solve. 9 x 72 = 9 ----- + 9 x 2 = ------
Thepotemich [5.8K]
9 x 72 = 9 x ? + 9 x 2

72 = 8 x 9 = 4 x 2 x 9

9 x 72 = 9 x 4 + 9 x 2


3 0
3 years ago
What is 144.8 divided by 4
vredina [299]

Answer:

36.2

Step-by-step explanation:

144.8/4 = 36.2

6 0
3 years ago
Read 2 more answers
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