Question

7) Pls help with this question!!! It's urgent, I appreciate your help . Thank you. :)

Answer 1

Option 3

Explanation:

Under the root, value should be non-negative, I.e 》0

-7v + 49 》0

7v《 49

v《 7

(-ve infinity, 7]

Answer 2

(-infinity, 7]

Explanation:

-7v +49 >=0 (because of sqrt)

=> -7v >= -49

=>v <=7