Answer:
A
Step-by-step explanation:
the function for this graph is:

so the domain (the input AKA THE x values) is all the real numbers.
Answer:
NO because 7+5=12
The sum must be larger (not equal to) the longest side. If it's exactly the same, there's no room to for the shorter two sides to angle up to form a triangle.
Answer:
$1.25.
Step-by-step explanation:
Answer is in the file below
tinyurl.com/wpazsebu