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zzz [600]
3 years ago
8

Does y = -5x represent a proportional relationship?

Mathematics
1 answer:
Oduvanchick [21]3 years ago
7 0

Answer: No

Step-by-step explanation: A proportional relationship can be described by an equation of the form y = kx, where k is a number called the constant of proportionality.

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F(x)= x+28/x-7 for inverse functions
ioda

The inverse function of the given function is \mathbf{= \dfrac{28+7x}{x-1}}

<h3>What is the inverse of a function?</h3>

A function g is the inverse of a function f, if and only if the values of y= f(x), x = g(y).

From the formula given:

\mathbf{y=f(x) = \dfrac{x+28}{x-7}}

Let's substitute x with y;

\mathbf{y= \dfrac{x+28}{x-7}}

\mathbf{x=\dfrac{y+28}{y-7}}

Solve for y;

\mathbf{= \dfrac{28+7x}{x-1}}

Learn more about solving inverse functions here:

brainly.com/question/3831584

#SPJ1

8 0
2 years ago
4.5w=5.1w-30, how do I solve it
Gala2k [10]
First you have to get the same variables on one side so you’d subtract 5.1w from both sides, making the equation -0.6w = -30

then you want to single out the variable, diving -0.6 on both sides making the new equation and the answer w = 50

hope this helps!
5 0
3 years ago
Read 2 more answers
2x+9−5x=12 i dont under stand how to get the answer
Alona [7]
Answer:
The answer is x=-1
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Solve – 4(x + 6) – 6 = 4(x – 1) for x
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4Step-by-step explanation:

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