Which equations represent functions?
1 answer:
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Answer:
4/3
Step-by-step explanation:
A proportional relationship is a relationship that crosses through the origin or (0,0). This means the slope of the line can be found by subtracting the points (12,16) and (0,0) in the slope formula.
So the slope is 4/3 and must be the value between any two points on the line.
This means the function moves from (0,0) to (1, 4/3).
The graph of 
is shown in the graph below.
The graph is of ∩-shape when the constant
of the quadratic equation 
is negative
The graph is of ∩-shape when the constant