f(x)=ax^3+bx+5 f(-7)=17 求f(7)?

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f(x)=ax^3+bx+5f(-7)=17求f(7)?f(x)=ax^3+bx+5f(-7)=17求f(7)?f(x)=ax^3+bx+5f(-7)=17求f(7)?f(x)=ax^3+bx+5f(

f(x)=ax^3+bx+5 f(-7)=17 求f(7)?
f(x)=ax^3+bx+5 f(-7)=17 求f(7)?

f(x)=ax^3+bx+5 f(-7)=17 求f(7)?
f(x)=ax^3+bx+5
f(-x)=-a-b+5
得:f(x)+f(-x)=10
即:f(7)+f(-7)=10 得;f(7)=-7