函数y=2x 3 +x 2 -4x+3的单调减少区间是(-1,-2/3)。()
函数y=2x 3 +x 2 -4x+3的单调减少区间是(-1,-2/3)。()
y=4x+3的原函数是( ) A: 4 B: 4x^2+3x+C C: 2x^2+3x+C D: 4x+3
y=4x+3的原函数是( ) A: 4 B: 4x^2+3x+C C: 2x^2+3x+C D: 4x+3
圆x²+y²+4x+3=0的面积为
圆x²+y²+4x+3=0的面积为
X的平方+4X+3怎样分解成(X+1)(X+3)
X的平方+4X+3怎样分解成(X+1)(X+3)
设P={x|x2—4x+3<0},Q={x|x(x-1)>2},则P∩Q等于() A: {x B: x>3} C: {x D: -1 E: {x F: 2 G: {x H: 1
设P={x|x2—4x+3<0},Q={x|x(x-1)>2},则P∩Q等于() A: {x B: x>3} C: {x D: -1 E: {x F: 2 G: {x H: 1
11、已知函数f(x)=4x+3,则f(5)=
11、已知函数f(x)=4x+3,则f(5)=
函数y=x2+x-12的定义域是( ) A: {x|x<-4或x>3} B: {x|-4<x<3} C: {x|x≤-4或x≥3} D: {x|-4≤x≤3}
函数y=x2+x-12的定义域是( ) A: {x|x<-4或x>3} B: {x|-4<x<3} C: {x|x≤-4或x≥3} D: {x|-4≤x≤3}
求不定积分[img=115x46]17da65382f8e1b9.png[/img]; ( ) A: x - (5*log(x + 1))/4 - (3*log(x - 3)) B: (5*log(x + 1))/4 - (3*log(x - 3)) C: x - (5*log(x + 1))/4 - (3*log(x - 3))/4 D: (5*log(x + 1))/4 - (3*log(x - 3))/4
求不定积分[img=115x46]17da65382f8e1b9.png[/img]; ( ) A: x - (5*log(x + 1))/4 - (3*log(x - 3)) B: (5*log(x + 1))/4 - (3*log(x - 3)) C: x - (5*log(x + 1))/4 - (3*log(x - 3))/4 D: (5*log(x + 1))/4 - (3*log(x - 3))/4
设f(x)是一次函数,且f[f(x)]=4x+3,求f(x)的解析式.
设f(x)是一次函数,且f[f(x)]=4x+3,求f(x)的解析式.
求不定积分[img=121x54]17da653839aa6ae.png[/img]; ( ) A: log(x^2 + 3*x + 25/4)/4 + (5*atan(x/2 + 3/4))/4 B: log(x^2 + 3*x + 25/4)/4 C: (5*atan(x/2 + 3/4))/4 D: log(x^2 + 3*x + 25/4)/4 - (5*atan(x/2 + 3/4))/4
求不定积分[img=121x54]17da653839aa6ae.png[/img]; ( ) A: log(x^2 + 3*x + 25/4)/4 + (5*atan(x/2 + 3/4))/4 B: log(x^2 + 3*x + 25/4)/4 C: (5*atan(x/2 + 3/4))/4 D: log(x^2 + 3*x + 25/4)/4 - (5*atan(x/2 + 3/4))/4