trangcindy74 4/11/2024 3:01:07 PM

Câu 12:         Cho hàm số https://lh7-us.googleusercontent.com/ts-qQl_Z1nRGiIg2Bc4Wa9YCz-5R5V0VF_pxMztb4nODP7QBKVg6A2l4xupiJ2ckjChnnbp2Xfniq3ITEFgTUHMBXxxtA7ZkZstr0i9XfVmppc46vFI3yTtF2bpShjoaLu7PEwW1vKQamLM=s800 có đồ thị như hình vẽ dưới đây.

https://lh7-us.googleusercontent.com/LadU-LOTH-ecwD8GIEtkJLzor-3sa38nLcych0AZDpnCW-YstQZOrGZkJRXHa6pmFheUntGQR2CMKvFBYJInHN79W7E5oI86cx4Z15dADmVzdK7lXwKbhhy9INxXupQaiUPm3GU9h57u5-E=s800

Hàm số https://lh7-us.googleusercontent.com/q70XgSzIczSfWUBIQZNB-eCw-WyYeonDeALqWqsepsTjYnyOdblTl_QJlS2VmZwfYUuz-KUROhfDHzGGH6lvdz3OhVvH1U1hKDkf6v5n8R6rr0R62KqxtS1paDeS6_DFz228AIXRKiPDM2M=s800 đồng biến trên khoảng nào?

A. https://lh7-us.googleusercontent.com/QDYqOPiNPxkr35a4yero5vBL_lNbS3uHkMzW7XmPvf3Xyl1g5o_bqgf1aaPrBWGPRTROtxrBbzwaiiLzzS_hYDT4ASu9vDRxG8PHCuE8QGTUc_D91aV1S1gUPamfKPJw4lYklUkPEnmzRRc=s800.        B. https://lh7-us.googleusercontent.com/P-HBT71-CHc40EjQeJOhvLnQkR0bA97x4FC4Q2LVSqyfCWoJAbBodOW-VPydXiS3xKMdm7QUcnVUE2BzRFyLxgpKjkdz_bOrb10A2hSb2Ne5u_YQaDV9xIA2nBXE2eq-7JiS2pU0DbIOscI=s800.        C. https://lh7-us.googleusercontent.com/dG5eQ9y4za3Iw18cPNmro_LA3QxytoI3b7QpsrpQIDcUAEHtgqNcFCYCFHYDe1Nx9_TEGMachgcxlCRN_i3qSNUCz5qW-HMzafS0wkyiBSxfc8ITRS91iVXYqJ2HoXuwzSUMg6ITY-uIAyg=s800.        Dhttps://lh7-us.googleusercontent.com/mCqnWHgl2gYnAxjqRuUEwi9RTBqIa6Bt8Io69eawBv3H1osktm0qOiNgqnSFxASqHssHfm0Imm6maY6xNZ_2Jlvsnfqx3-UkoDmXXEpp39ngwuAcuqVnn_awfD1AAZzQGSpfHIP3J4Z62Y0=s800.

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