Write a linear function f with the values f(0)=−5 and f(3)=4.

Question

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Answer 1

f(x) = mx + b

f(0) = -5 = 0x + b, then b = -5

f(3) = 4 = 3m - 5

3m = 9, m=3

f(x) = 3x - 5