the function f given by f(x)=9*x^(2/3)+3x-6 has a relative minimum at x=?a.-8 b.-2^(1/3) c.-1d.-1/8 e/0the function f given by f(x)=9*x^(2/3)+3x-6 has a relative minimum at x=?a.-8 b.-2^(1/3)c.-1 d.-1/8 e.0

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the function f given by f(x)=9*x^(2/3)+3x-6 has a relative minimum at x=?a.-8 b.-2^(1/3) c.-1d.-1/8 e/0the function f given by f(x)=9*x^(2/3)+3x-6 has a relative minimum at x=?a.-8 b.-2^(1/3)c.-1 d.-1/8 e.0

the function f given by f(x)=9*x^(2/3)+3x-6 has a relative minimum at x=?a.-8 b.-2^(1/3) c.-1d.-1/8 e/0the function f given by f(x)=9*x^(2/3)+3x-6 has a relative minimum at x=?a.-8 b.-2^(1/3)c.-1 d.-1/8 e.0
the function f given by f(x)=9*x^(2/3)+3x-6 has a relative minimum at x=?a.-8 b.-2^(1/3) c.-1
d.-1/8 e/0
the function f given by f(x)=9*x^(2/3)+3x-6 has a relative minimum at x=?
a.-8
b.-2^(1/3)
c.-1
d.-1/8
e.0

the function f given by f(x)=9*x^(2/3)+3x-6 has a relative minimum at x=?a.-8 b.-2^(1/3) c.-1d.-1/8 e/0the function f given by f(x)=9*x^(2/3)+3x-6 has a relative minimum at x=?a.-8 b.-2^(1/3)c.-1 d.-1/8 e.0
f(x)=9*x^(2/3)+3x-6 求导得f'(x)=9*6x^(-1/3)+3x=0=>x=-8,选a

直接求得的结果不行就来代入法哦,你把每个选项带入求得的函数值相对照,函数值最小的时候对应的X就是题目要求的哦

ndf

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