Podaj wzór funkcji y=a/x,jeśli do jej wykresu należy punkt ; a(3/5,25)
y = a/x
25 = a/ 3/5
25 = 5a/3
5 = a/3
15 = a
y=15/x
25 = a/(3/5) /*3/5
a=25 *3/5
a=15
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y = a/x
25 = a/ 3/5
25 = 5a/3
5 = a/3
15 = a
y=15/x
25 = a/(3/5) /*3/5
a=25 *3/5
a=15
y=15/x