设f(x)=ax+bsin³x+1,(a,b为常数),且f(5)=7,求f(-5)=

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设f(x)=ax+bsin³x+1,(a,b为常数),且f(5)=7,求f(-5)=
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设f(x)=ax+bsin³x+1,(a,b为常数),且f(5)=7,求f(-5)=
设f(x)=ax+bsin³x+1,(a,b为常数),且f(5)=7,求f(-5)=

设f(x)=ax+bsin³x+1,(a,b为常数),且f(5)=7,求f(-5)=
f(x)=ax+bsin³x+1
f(5)=5a+b[six^3]5+1=7
f(-5)=-5a-b[six^3]5+1=A
相加
2=7+A
A=-5