dizzz9zzlil dizzz9zzlil

24-11-2016
Mathematics

contestada

If f(x) = 3x + 1, then f(a + h) - f(a) =

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apologiabiology apologiabiology

24-11-2016

replace x with a+h and a

f(a+h)-f(a)=3(a+h)+1-(3a+1)=
3a+3h+1-3a-1=
3h

result is 3h

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Edufirst Edufirst

26-11-2016

f(a+h) = 3(a+h) + 1 = 3a + 3h + 1

f(a) = 3a + 1

f(a+h) - f(a) = 3a + 3h + 1 - 3a - 1 = 3h

Answer: 3h

Answer Link

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