The point-slope form:
We have the points (1, 2) and (3, 6). Substitute:
Ed's hair was 4 centimeters long after his last hair cut, and it grows 11 centimeters every year. How many years will it take un
2 answers:
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Answer:
B
Step-by-step explanation:
A graph is only a function when there is only one y value for each x value.
A trick is to draw a line through some points on the x-axis, and if the line goes through more than one point. Then it is not a function. (See picture)
Sorry, not all the lines are straight, but you get the point. B is the only one that doesn't have more than one point on the lines I drew.
