解;f(5)=5a+5b+7=3
所以5a+5b=-4
f(-5)=-5a-5b+7=-(5a+5b)+7=4+7=11
若函数f(X)=ax+bx+7,且f(5)=3,则f(-5)=?要过程
若函数f(X)=ax+bx+7,且f(5)=3,则f(-5)=?要过程
打错了是若函数f(X)=ax³+bx+7,且f(5)=3,则f(-5)=?要过程
打错了是若函数f(X)=ax³+bx+7,且f(5)=3,则f(-5)=?要过程
数学人气:142 ℃时间:2020-03-28 02:56:40
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