Saved Bookmarks
| 1. |
If R1 = {(x, y) | y = 2x + 7, where x ∈ R and – 5 ≤ x ≤ 5} is a relation. Then find the domain and Range of R1. |
|
Answer» We have, R1 = {(x, y)|y = 2x + 7, where x∈ R and -5 ≤x ≤ 5} Domain of R1 = {-5 ≤ x ≤ 5, x ∈ R} = [-5, 5] x ∈ [-5, 5] => 2x ∈ [-10,10] =>2x + 7∈ [-3, 17] Range is [-3, 17] |
|