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#93b1108f-7cd7-4f1a-9dfe-a57f2c51f3f9简单填空题导数与切线导数

3.(2023•徐汇区校级一模)若直线y=kx+by=kx+b是曲线f(x)=ex2f(x)=e^{x-2}g(x)=ex+20222022g(x)=e^{x+2022}-2022的公切线,则k=(k=(  ))