Question

f(x) = Square root of quantity 3x+7
g(x) = Square root of quantity 3x-7

Find (f + g)(x).

Answer 1

I messed up on my first answer so let me try again

Answer 2

haha ok thanks

Answer 3

x= -7/3 if f(x)=square root of 3x+7
x=7/3 if g(x)= square root of 3x-7

Answer 4

So, I think you would just plug in x for each equation, and plug those numbers in for (f+g)(x)

Answer 5

if these are my options:
a)square root of six x.
b) x Square root of six.
c) 3x
d)Square root of quantity three x plus seven. +Square root of quantity three minus plus seven.

would it be a?

Answer 6

@blueberry27

Answer 7

The answer choices look a bit confusing. Why do you think it's a?