4 years ago

Are these functions?

1 answer:

6 0

Answer:

Relation 1: No

Relation 2: Yes

Step-by-step explanation: Domain cannot repeat(have more than one output)

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LenKa [72]

96

The mean of 85+92+87+96=90

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3 years ago

attashe74 [19]

The correct answer for each is
a= 390.8
b= 136.8

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3 years ago

Ratling [72]

All of them are true.

Refer to calculation for understanding.

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3 years ago

Schach [20]

$(s^2+5st-9t^2)-(2s^2-2st+2t^2)=\\\\=s^2+5st-9t^2-2s^2+2st-2t^2=\\\\=s^2-2s^2-9t^2-2t^2+5st+2st=\boxed{-s^2-11t^2+7st}$

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3 years ago

galina1969 [7]

For each of the ordered pairs, the x coordinate is squared to find y.

x = 1
1^2 = 1

x = 2
2^2 = 4

x = 3
3^2 = 9

x = 4
4^2 = 16

8 0

4 years ago