(f o g) (10)
Can be written f(g(10))
So let's get g(10) first
g(10) = 10² - 7.10 = 100 - 70 = 30
So let's put the answer in f(x)
f(g(10)) = f(30)
[tex]f(30) = 3 . \sqrt{3.30 + 10}+2[/tex]
[tex]f(30) = 3 . \sqrt{90 + 10}+2[/tex]
[tex]f(30) = 3 . \sqrt{100} +2[/tex]
[tex]f(30) = 3.10+2[/tex]
[tex]f(3)= 32[/tex]
