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Write a linear function f with the values f (3)= -4 and f (5)= -4 f(x)=
2 answers:
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Answer:
a.
b.
Step-by-step explanation:
Given
The data in the table
Solving (a): The coordinate that represents the unit rate
The unit rate is when its 1 pound
This is so because the unit rate is dollars per pounds.
<em>Hence, the coordinate is </em><em></em>
Solving (b): Equation of the graph
First, we calculate the slope (m)
Where:
The equation is then calculated as thus:
This gives:
Make y the subject
<em>Hence, the equation of the graph is: </em><em></em>