Question

I need help!! Thanks

Answer 1

`\text{Given that,}~ f(x) = 3x+5~ \text{and}~ g(x)=√(x^2 +3)\\\\(g \circ f)(-1)\\\\=g(f(-1))\\\\=g(3(-1) +5)\\\\=g(-3+5)\\\\=g(2)\\\\=√(2^2+3)\\\\=√(4+3)\\\\=√(7)`