You haven't fixed the domain quite yet. That's okay. It's hard to get the domain exactly right by moving points.
Mathematicians use inequalities to describe domain
because they are more precise.
Here is the inequality for the graph you created on
screen 2. Fix the inequality to correctly represent the
domain of the function.
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the answer to your question is c.)   volcanoes built the mountains and earthquakes tore them down.

step-by-step explanation:

option c is correct.

step-by-step explanation:

the rule regarding the sides of triangle is:

(length of longest side)^2 = square of sum of other two sides.

the sides given are:

6, 10 and 8.

applying the rule we will get:

(10)^2 = (6)^2 + (8)^2

100 = 36+64

100 = 100

so, her answer is incorrect.

no, she should have added 6^2 and 8^2 and compared that to 10^2.

so, option c is correct.