不等式3x-5<3+x的解集是
A: x≤4
B: x≥4
C: x<4
D: x>4
A: x≤4
B: x≥4
C: x<4
D: x>4
举一反三
- 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=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
- 方程(4-x)2=x-4的解为( ) A: x=5 B: x=4 C: x=3 D: x=4或x=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}
- 不等式|2x-3|>5的解集是( )() A: {<br/>x|x4} B: { x|-1 C: { x|x D: {<br/>x|x>4}