Answer:
21
Step-by-step explanation:
2(2) +7
14+7
21
Answer:
number 1 is a real number and 2 and 3 and 4 and 5 and 6 and 7 and 8 and 9
Step-by-step explanation:
a real number is a value of a continuous quantity that can represent a distance along a line.
Answer:
A linear function has the form y=mx+b
A line has a proportional relationship if y/x is always the same ratio for any value.
The slope m=(y2-y1)/(x2-x1) for some two points on a line is always constant, else it wouldn't create a line.
A line won't be proportional if you adapt b because the ratio of y/x won't match the slope anymore.
In the end this means all lines with proportional relationships must intersect (0,0) or in other words f(0)=0.
This happens if they have the shape y=mx.
Step-by-step explanation:
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D. 21cm because you divide all sides by 2 then get your slope form and multiply by seven