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AysviL [449]
3 years ago
10

Need help please!!!

Mathematics
1 answer:
mars1129 [50]3 years ago
8 0

The function rule is: f(x)=x+4

Step-by-step explanation:

Following linear equation is used to find the function rule from tables

y=mx+b

Here

y is the output(f(x) and x is the input

Slope is calculated as:

m=ΔY/ΔX

ΔY is the difference between x values and Δy is the difference between y values (Output values)

So, \\for\ x\\-9-(-10) = -9+10=1\\For\ y\\-5-(-6)=-5+6=1

So,

m=1

Putting in equation

y=x+b

To find the value of b, we will put any pair of x and f(x)=y in equation

-6=-10+b\\b=-6+10\\b=4

Putting the value of b

y=x+4

Replacing with the table names

f(x)=x+4

The function rule is: f(x)=x+4

Keywords: Functions, Rules

Learn more about functions at:

  • brainly.com/question/9590016
  • brainly.com/question/9607945

#LearnwithBrainly

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Let's substitute the 3rd equation into the first one.  

 

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We now have a system of two equations with two unknowns.

 

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