Question

I need these please don’t do the graph for 1 and 3 but do the rest

Answer 1

EXPLANATION

a) State the inequality:

All the Real numbers greater than 7.

x>7

b) Express the inequality in interval notation:

In order to obtain the interval notation, we must represent with a parenthesis the 7-value because it is not included in the Domain, and then, close the infinite symbol with "]" because it is included in the Domain:

So, the Domain are all Real numbers greater than 7, excluding the 7.

(7,∞]