1 |
x |
1 |
lgx |
x2+3 | ||
|
x |
1 | ||
|
1 |
sin2x |
π |
2 |
1 |
x |
1 |
x2 |
1 |
x |
1 |
lgx |
x2+3 | ||
|
x2+2+1 | ||
|
x2+2 |
1 | ||
|
x2+2 |
1 | ||
|
x |
1 | ||
|
|
1 |
sin2x |
π |
2 |
1 |
sin2x |
π |
2 |
1 |
x |
1 |
x2 |
x2?
|
2 |
x |
1 |
2 |
A.大于9 | B.等于9 | C.小于9 | D.不存在 |
A.y=
| B.y=sinx+
| ||||||||||
C.y=
| D.y=x+
|
1 |
x |
9 |
y |
A.4 | B.12 | C.16 | D.18 |
A.4.6米 | B.4.8米 | C.5米 | D.5.2米 |
3 |
1 |
x |
1 |
y |
A.2 | B.
| C.1 | D.
|
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