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Ymorist [56]
3 years ago
13

chelsea is 4 years older than her brother. translate the verbal description into an equation. use the verbibale c to represent c

helsea age and b to represent her brothers age
Mathematics
1 answer:
Lelu [443]3 years ago
6 0
You can show it a one of two was: b+4=c or c-4=b.




















=4
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PreCalc work, Need help with writing piece wise functions with graphs level 2. Giving branliest.
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The piece-wise linear functions can be written as follows:

  • f(x) = -0.5x + 3, x < 5.
  • f(x) = -5, x = 5
  • f(x) = -x  + 9, x > 5.

<h3>What is a linear function?</h3>

A linear function is modeled by:

y = mx + b

In which:

  • m is the slope, which is the rate of change, that is, by how much y changes when x changes by 1.
  • b is the y-intercept, which is the value of y when x = 0, and can also be interpreted as the initial value of the function.

For x less than 5, the y-intercept is of b = 3 and the function also gos through (2,2), hence the slope is:

m = (2 - 3)/(2 - 0) = -0.5.

Hence the rule is:

f(x) = -0.5x + 3, x < 5.

When x = 5, the function is constant at -5, hence:

f(x) = -5, x = 5

For x less than 5, the function goes through points (6,3) and (7,2), hence the slope is:

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Then:

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When x = 6, y = 3, hence the y-intercept is given as follows:

3 = -6 + b

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Hence the rule is:

f(x) = -x  + 9, x > 5.

More can be learned about linear functions at brainly.com/question/25537936

#SPJ1

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