Answer:
The answer is 7.
Step-by-step explanation:
You have to substitute the value of x into the function :
[tex]f(x) = \sqrt{x - 8} + 3[/tex]
[tex]f(24) = \sqrt{24 - 8} + 3[/tex]
[tex]f(24) = \sqrt{16} + 3[/tex]
[tex]f(24) = 4 + 3[/tex]
[tex]f(24) = 7[/tex]
