Algebra - variation

2008-03-19 3:47 am

Prove that if g is a direct variation over the real numbers, then for every pair of real numbers a and c,

g(a+c)=g(a)+g(c)

回答 (1)

2008-03-19 7:49 am

✔ 最佳答案

g(x) = kx, k is constant
g(a+c)
= k(a+c)
= ka + kc
= g(a) + g(c)

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