xf′(x)-f(x) |
x2 |
xf′(x)-f(x) |
x2 |
f(x) |
x |
f(x) |
x |
f(1) |
1 |
f(x) |
x |
f(x) |
x |
f(x) |
x |
f(x) |
x |
25 |
2 |
A.f(-3)<f(-2) | B.f(-3)>f(-2) | C.f(-3)<f(2) | D.f(-3)<f(3) |
x |
2y |
x+y |
A.1 | B.
| C.
| D.1+
|
A.(a,-f(a)) | B.(a,f(-a)) | C.(-a,f(a)) | D.(-a,-f(a)) |
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