題目列表(包括答案和解析)
函數(shù)y=2-x+1(x>0)的反函數(shù)是
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A.y=log2,x∈(1,2)
B.y=-log2,x∈(1,2)
C.y=log2,x∈(1,2]
D.y=-log2,x∈(1,2]
函數(shù)y=log2(x+4)(x>0)的反函數(shù)是
A.y=2x+4(x>2)
B.y=2x+4(x>0)
C.y=2x-4(x>2)
D.y=2x-4(x>0)
函數(shù)的反函數(shù)y=2x+3(x≥0)的解析式為
y=log2(x-3),(x≥4)
y=log2x-3,(x≥4)
y=log2x-2,(x>3)
y=log2(x-2),(x>3)
函數(shù)的反函數(shù)y=2x+3(x∈R)的反函數(shù)的解析式為
y=log2(x-3),(x>3)
y=log2x-3,(x>3)
y=log3x-2,(x>0)
y=log3(x-2),(x>2)
函數(shù)
y=2-x+1(x>0)的反函數(shù)是y=log2(x-1),x∈(1,2)
y=1og2,x∈(1,2)
y=log2(x-1),x∈(1,2]
y=1og2,x∈(1,2]
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