3 years ago

How can I solve this?!

Mathematics

1 answer:

Nutka1998 [239]3 years ago

8 0

evaluate f(5) and f(2)

f(5) = 5m + b and f(2) = 2m + b, hence

f(5) - f(2) = 5m + b - 2m - b = 3m

the expression simplifies to

$\frac{3m}{3}$ = 2 ( cross- multiply )

3m = 6 ( divide both sides by 3 )

m = 2 → A

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