问题
填空题
若函数f(x)=-x3+cx+2(c∈R),则f/(-
|
答案
∵f(x)=-x3+cx+2∴f'(x)=-3x2+c
f'(-
)=-3×3 2
+c=-9 4
+c,f'(-1)=-3+c,f'(0)=c27 4
故答案为:f/(0)>f/(-1)>f/(-
)3 2
若函数f(x)=-x3+cx+2(c∈R),则f/(-
|
∵f(x)=-x3+cx+2∴f'(x)=-3x2+c
f'(-
)=-3×3 2
+c=-9 4
+c,f'(-1)=-3+c,f'(0)=c27 4
故答案为:f/(0)>f/(-1)>f/(-
)3 2