对数函数的解析式及定义(定义域、值域)
A.2 |
B.![]() |
C.3 |
D.![]() |
A.0 | B.1 | C.2 | D.3 |
A.(1,2) | B.(2,3) | C.(3,4) | D.(4,5) |
A.![]() |
B.![]() |
C.![]() |
D.![]() |
45 |
A.128 | B.256 | C.512 | D.8 |
A.![]() |
B.8 | C.18 |
D.![]() |
A.(0,![]() |
B.(![]() |
C.(![]() |
D.(0,![]() |
g |
|
1 |
2 |
1 |
2 |
3 |
1 |
x |
1 |
y |
A.y=2x | B.y=log2x |
C.![]() |
D.y=x2 |
A.![]() |
B.![]() |
C.![]() |
D.![]() |
log34 |
log98 |