What is the inverse of y=4x-2

Answers

Answer 1
Answer: y=4x-2\n \nreverse \ the \ x \ and \ y \ to \ get \n \n x=4y-2 \n \n solve \ for \ the \ new \ y \ to \ get \n \n4y =x+2 \ \ / :4 \n \ny=(x)/(4) + (2)/(4) \n \ny=(1)/(4)x + (1)/(2)\n \n The \ answer \ is : \n \n y=(1)/(4)x + (1)/(2)
Answer 2
Answer:  y=4x-2

change:

x = 4y - 2
4y = x + 2
y = x/4 + 1/2   <--- inverse

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Factoring the difference of two squares x^2-1

Answers

difference of 2 perfect squres
if yo have
a^2-b^2 that equals (a-b)(a+b)

x^2-1^2=(x-1)(x+1)
tada
(X^2-1^2) (x-1)(x+1) I hope that is good!

Find all sets of four consecutive integers whose sum is between 95 and 105

Answers

Hello,

Let n-2,n-1,n,n+1 the foru numbers
s=n-2+n-1+n+n+1=4n-2

95<=4n-2<=105
==>97<=7n<=107
==>24.25<=n<=26.75
==>25<=n<=26
if n=25 s=98
if n=26 s=102

In the diagram below of circle O, the area of the shaded sector AOC is 12pi in^2 and the length of OA I'd 6 inches. Determine and state m

Answers

Based on the calculations, the measure of angle m<AOC is equal to 120°.

Given the following data:

Area of the shaded sector AOC = 12π in².

Length of OA = 6 inches.

How to determine angle m<AOC?

In Mathematics, the general equation for the area of a circle (360degrees) is given by πr².

Mathematically, the length of a sector formed by part of a circle with angle (θ) is given by:

Sector = πr² × θ/360

12π = π × (6)² × θ/360

12 = 36θ/360

36θ = 720

θ = 4320/36

θ = 120°

Read more on circle here: brainly.com/question/14478195

#SPJ2

Area of a circle for (360degrees) = pi*(r^2) 
Area of part of a circle with angle θ=(θ/360)*(pi*)*(r^2)
(θ/360)*pi*(6^2)=12*pi
solving, θ=(12/36)*360
θ=120 degress

Find the scale factor

Answers

The scale factor is 4!

Find x if f(x) = 2x + 7 and f(x) = -1.

Answers

Answer:  The required value of x is -4.

Step-by-step explanation:  We are given to find the value of x if :

f(x)=2x+7~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~(i)\n\nf(x)=-1~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~(ii)

Since both the equations (i) and (ii) are the values of x, so comparing the equations, we get

2x+7=-1\n\n\Rightarrow 2x=-1-7\n\n\Rightarrow 2x=-8\n\n\Rightarrow x=-(8)/(2)\n\n\Rightarrow x=-4.

Thus, the required value of x is -4.

f(x) = 2x+7

-1 = 2x+7
-7        -7

-8 = 2x

-8/2 = 2x/2

-4 = x

x = -4

If a + b = 28 and a - b = 10, then b =?

Answers

Answer:

b=9

Step-by-step explanation: