Question

求值域y=2x+1，x∈｛1,2,3,4,5｝的值域

Answer 1

即x=1,2,3,4,5
分别代入y=2x+1求出y
所以值域是{3,5,7,9,11}

Answer 2

y=2x+1，x∈｛1,2,3,4,5｝的值域为
{3, 5, 7, 9, 11}

Answer 3

值域{3,5,7,9,11}

Answer 4

y∈｛3,5,7,9,11｝

Answer 5

解:y=2x+1,x∈{1,2,3,4,5}的值域为 {3,5,7,9,11}

Answer 6

y={3,5,7,9,11}