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3 years ago

PLEASE HELP ‼️

2 answers:

6 0

B
Its because when you rearrange using this formula y=mx+c, where m is slope, if m is negative then that line has a negative slope

earnstyle [38]3 years ago

5 0

B, simplifies to y=-7x+8. B is negative slope
D, simplifies to y=-2x+12. D is negative slope

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Given the area of a square is 225 square feet, what is the length of each side

alexdok [17]

The area of a square can be found by squaring one side.

Let's set the side as x feet.

x^2=225
x=square root of 225
x=15

The length of each side is 15 feet.

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2 years ago

Can someone please help me with this

Lady bird [3.3K]

Answer:

$b = 6 \sqrt{3}$

Step-by-step explanation:

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2 years ago

A manufacturing company with 450 employees begins a new product line and must increase their number of employees by 18%. How man

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The total employees the company now have is 531.

Solution:

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$$=\frac{18}{100}\times 450$

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= 450 + 81

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2 years ago

On a piece of paper, graph f(x)= {x if x<2 2 if x>2}

r-ruslan [8.4K]

Answer:

see below

Step-by-step explanation:

The graph has two parts. There is one line for x < 2. It has a slope of 1 and a y-intercept of 0.

The line for x > 2 is the horizontal line x=2.

The point at x=2 is not defined by the function you have posted here, so there is a "hole" in the graph at that point.

4 0

2 years ago

Find the inverse of each function. Is the inverse a function? y=(x+4)³-1

tatuchka [14]

Inverse of the give function F(x) = ( x + 4 )³ - 1 is F⁻¹(x) = [√( x + 1 ) ] - 4.

Given is a function of x, F(x) = ( x + 4 )³ - 1

These question can be solved by following 4 easy steps

Step 1 : Switch the F(x) with the variable y

This implies, F(x) = ( x + 4 )³ - 1 becomes y = ( x + 4 )³ - 1

Step 2 : Interchange the variable x and y in the above obtained equation

This implies, from the equation y = ( x + 4 )³ - 1, we get

x = ( y + 4 )³ - 1

Step 3 : Solve the new obtained equation for y

This implies, we have to simplify the equation by rearranging the terms to get the equation in terms of the variable x.

x = ( y + 4 )³ - 1

=> x + 1 = ( y + 4 )³

=> (y + 4 )³ = x + 1

=> y + 4 = √( x + 1 )

=> y = √( x + 1 ) - 4

Hence we obtain the required equation.

Step 4 : Switch the variable y with F⁻¹(x)

This implies, y = √( x + 1 ) - 4 becomes F⁻¹(x) = √( x + 1 ) - 4

Therefore, we get the inverse of the give function F(x) = ( x + 4 )³ - 1 as F⁻¹(x) = [√( x + 1 ) ] - 4.

Learn more about Inverse of a Function here:

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4 0

11 months ago