3 years ago

A line contain the points (-4,1) and (4,6)

Mathematics

1 answer:

Vinil7 [7]3 years ago

8 0

Answer:

f(x) = 0.625x + 3.5

Step-by-step explanation:

Linear function equation : f(x) = mx + b

plug in numbers

equation 1: 1 = -4m + b

equation 2: 6 = 4m + b

e(1) + e (2): 7 = 2b, b = 3.5

plug b = 3.5 into e(1): 1 = 3.5 - 4m, 4m = 2.5, m = 0.625

f(x) = 0.625x + 3.5

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