- A)y=-2x (
- B)y=-2x+4 (
- C)y=2x (
- D)y=2x-4
- A)<img src="//img1.yqda.net/question-name/50/8f1afc0d
- b484d
- cf1a0468e4
- d60b5eb.jpg" alt="" /> (B)<img src="//img1.yqda.net/question-name/8f/d28543fcfdb1ff37cb33319dfb64e5.jpg" alt="" /> (C)<img src="//img1.yqda.net/question-name/e8/91512d9f01297e54d202e348d5d878.jpg" alt="" />&nb
- A)3 (
- B)10 (
- C)120 (
- D)240
- A)实数集 (
- B){ x|-4≤x<6} (
- C)空集 (
- D){ x|-4<x<6}
- 16
-
(A)
(B)
(C)
(D)
- A)-4 (
- B)-3 (
- C)-1 (
- D)0
- 18
-
设lg2=
- a,则lg225等于( ) (A)<img src="//img1.yqda.net/question-name/d0/1690f07fc
- bd7296b25d4ed062d4
- c19.jpg" alt="" /> (B)<img src="//img1.yq
- da.net/question-name/96/f8d6ff2e5a0b65878e8b98f4ed7876.jpg" alt="" /> (C)<img src="//img1.yqda.net/question-name/85/6ba55af2ec325acb27b52fb391ff16.jpg" alt="" /> (D)<img src="//img1.yqda.net/question-name/85/4
- A)<img src="//img1.yqda.net/question-name/cc/142acf54a1c27fdf0f69a26f15f350.jpg" alt="" /> (
- B)<img sr
- c="//img1.yq
- da.net/question-name/42/e456dddbb1ed8d2b1d84b8572a0853.jpg" alt="" /> (C)<img src="//img1.yqda.net/question-name/31/9bb468d2a388c26a95a10fe64f9e77.jpg" alt="" /> (D)<img src="//img1.yqda.net/question-name/cd/4
- A)0<30.7< log30.7 (
- B)log30.7<0<30.7 (
- C)log30.7<30.7<0 (
- D)0< log30.7<30.7
- 22
-
(A)
(B)
(C)
(D)
- A.-1
- B.<img alt="" src="//img1.yqda.net/question-name/7b/e49605c5925cb92cf7e1ae9d5a25e8.jpg"/>
- C.1
- D.4
- A)72种 (
- B)96种 (
- C)144种 (
- D)240种