The linear function that passes through (-8,4) and (4,5) will be y = (1/12)x + 14/3.
What is a linear function?
A straight line on the coordinate plane is represented by a linear function.
A linear function always has the same and constant slope.
The formula for a linear function is f(x) = ax + b, where a and b are real values.
A linear equation or function is given as ;
y = mx + b
The slope (m) associated with two points (x₁, y₁) and (x₂, y₂) is given by
Slope = (y₂ - y₁)/(x₂ - x₁)
The slope associated with (-8,4) and (4,5) will be as,
m = (5 - 4)/(4 + 8) = 1/12
Thus, y = (1/12)x + b
Put (4,5)
5 = (1/12)4 + b
b = 5 - 1/3
b = 14/3
Thus, y = (1/12)x + 14/3
Hence "The linear function that passes through (-8,4) and (4,5) will be y = (1/12)x + 14/3".
For more about the linear function,
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