f(m+1)-f(n+1) |
m-n |
f(m+1)-f(n+1) |
m-n |
f(m+1)-f(n+1) |
(m+1)-(n+1) |
f(m+1)-f(n+1) |
m-n |
f(m+1)-f(n+1) |
(m+1)-(n+1) |
a |
x+1 |
sinπx |
(x2+1)(x2-2x+2) |
A.y=2|x| | B.y=lg(x+
| C.y=2x+2-x | D.y=lg
|
A.f(b-2)=f(a+1) | B.f(b-2)>f(a+1) | C.f(b-2)<f(a+1) | D.不能确定 |
A.y=-x | B.y=3x | C.y=x3 | D.y=log3x |
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