HELP ME Question
Use the mapping to determine which of the following are elements of the domain.

Need the map to know the answer the photo of it is up there if you want a better view of it.

110
130
24.0
140
20.6
18.9

110, 130, 140

Step-by-step explanation:

The x-values are the elements of the domain.

x=6 and x=3

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the polynomial is a perfect square trinomial of the form a^2-2ab+b^2:

option a. true

step-by-step explanation:

9x^2-12x+4

comparing with the form a^2-2ab+b^2

1.) a^2=9x^2

solving for a: square root both sides of the equation:

sqrt(a^2)=sqrt(9x^2)

a=sqrt(9) sqrt(x^2)

a=3x

2.) b^2=4

solving for b: square root both sides of the equation:

sqrt(b^2)=sqrt(4)

b=2

to be a perfet square trinomial 2ab must be equal to 12x. let's check:

2ab = 2 (3x) (2)

2ab = 12x

correct