3 years ago

Which table represents a relation with a domain of {-1, 2} and a range of {3, 5}

Mathematics

2 answers:

Dominik [7]3 years ago

4 0

Answer:

Step-by-step explanation:

Domain means basically the x values that are included within the graph or table. Range means the y values that are within those numbers. You have to look for x values that lie from -1 and 2, and the y values ranging from 3 to 5.

Stells [14]3 years ago

4 0

Answer:

The second one is correct.

Step-by-step explanation:

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balu736 [363]

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2 years ago

Select TWO values of x that are roots

Sauron [17]

$x_1=\dfrac{-b-\sqrt{b^2-4ac}}{2a};\ x_2=\dfrac{-b+\sqrt{b^2-4ac}}{2a}\\\\y=x^2+3x+5\\\\a=1;\ b=3;\ c=5\\\\b^2-4ac=3^2-4(1)(5)=9-20=-11\\\\x_1=\dfrac{-3-\sqrt{-11}}{2\cdot1}=\dfrac{-3-\sqrt{-11}}{2}\\\\x_2=\dfrac{-3+\sqrt{-11}}{2}$