Raine11 Raine11

02-06-2017
Mathematics

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1.) Given that f is a linear function and f(5) - f(3) = 10, determine the value of f(10) - f(2).

1 Given that f is a linear function and f5 f3 10 determine the value of f10 f2 class=

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ghanami ghanami

02-06-2017

hello : let f(x) = ax
f(5) = 5a
f(3) = 3a
f(5)-f(3) =10 : 5a-3a = 10
2a = 10 so : a = 5
f(x) = 5x
f(10) -f(2) = 50-10 = 40

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