Když se ve Scio testech vyskytuje úloha s funkcemi, tak je většinou poměrně jednoduchá. Pokud víte co a jak, nebudete na ní muset trávit mnoho času. Pro jistotu je ale vhodné připomenout si základy počítání s funkcemi.
Funkce h je definována jako h(x) = 0,3(x - 0,1). Jaká je hodnota funkce h pro x = 0,8?
Funkce g je definována jako g(x) = 2x + 12. Jakých hodnot může nabývat x, když g(x) = 12?
Která z následujících rovností platí pro funkci f, která je definována jako f(x)=(x - 4)(x + 4)?
Mějme funkci f(x) = 3x + 2. Čemu se rovná x, pokud zároveň platí f(x) = 3 · (f(x)-8) -4?
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