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2015《金榜e讲堂》高三人教版数学理一轮复习课件:第2章第4节函数的奇偶性及周期性.ppt_图文

2015《金榜e讲堂》高三人教版数学理一轮复习课件:第2章第4节函数的奇偶性及周期性.ppt_图文





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f(x)x21x f(1)

()

A2

B1

C0

D2

D [f(x)

f(1)f(1)1112.]

2 f(x)ax2bx [a12a] ab



()

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1 C.2

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b0ab13.]

3() R f(x) f(x4)

f(x) f(8)

()

A1

B0

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D2

B [f(x) f(x4)f(x)

f(0)0T4.

f(8)f(0)0.]

4f(x)x2|xa|a________ f(x)f(x)xR |xa||xa|xR ax0xRa0. f(1)f(1) |a1||a1|a0. 0

5 f(x) R 2 x[01]

f(x)x1 f32__________

f32 x[01]

f32f322f12f12

12132.



3 2

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h(x)f(x)g(x)

()

A B C D

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[] (1) (2)f(x) f(x)f(x)f(x)x( )

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1 (1)(2014 ) a b a2b2 a b

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A

B

C

D

A

[ f(x)

4x2 x222.

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f(x)24xx22 4x x2(x[20)(02])

f(x) 4x x2f(x)f(x)

f(x) A.]

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f(x1)

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[] (1)yf(x)x2f(1)1.g(x)f(x) 2g(1)________

[] (1)yf(x)x2x1y2 x1y2 f(1)(1)22 f(1)3 g(1)f(1)21. 1

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C(2)(2)

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(2012) f(x) R 2

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a23(b1)



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D1

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