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Mekhanik [1.2K]
3 years ago
9

Which graph shows rotational symmetry?

Mathematics
2 answers:
Daniel [21]3 years ago
5 0

Answer:

A

Step-by-step explanation:

When you turn it 180 degrees, it looks the same.

mihalych1998 [28]3 years ago
4 0

Answer:

A

Step-by-step explanation:

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Last PreCalc Question, Need help with writing piecewise functions with graphs. Giving brainliest!
LekaFEV [45]

The piece-wise linear functions can be written as follows:

  • f(x) = x, x \leq -2.
  • f(x) = -x - 7, -2 < x \leq 1.
  • f(x) = 2x - 9, x > 1.

<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 equal or less than -2, the line passes through (-3,-3) and (-2,-2), hence the rule is:

f(x) = x, x \leq -2.

For x greater than -2 up to 1, the y-intercept is of -7, and the line also passes through (1,-8), hence the rule is:

f(x) = -x - 7, -2 < x \leq 1.

For x greater than 1, the function goes through (2,-5) and (3,-3), hence the slope is:

m = (-3 - (-5))(3 - 2) = 2.

The rule is:

y = 2x + b.

When x = 2, y = -5, hence:

-5 = 2(2) + b

b = -9.

Hence:

f(x) = 2x - 9, x > 1.

More can be learned about linear functions at brainly.com/question/24808124

#SPJ1

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2 years ago
A bike store sells scooters at a 54% markup if the store sells each scooter for $69.30 then what is their non-markup price
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Divide both sides by 1.54

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To eliminate 6X you would Transform 2x by multiplying what number ?
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and

6X+(-6X)=0

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Explain how you can use the distributive property to check the binomial factors when a trinomial has been factored. Include an e
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