SOLUTION: f(x)=sqrt 3x ; g(x)=sqrt 12x solve: (f+g)(x) I thought (3+12)sqrt x but thats not it.

Question 685987: f(x)=sqrt 3x ; g(x)=sqrt 12x
solve:
(f+g)(x)
I thought (3+12)sqrt x but thats not it.
Answer by funmath(2933) (Show Source): You can put this solution on YOUR website!
f(x)= ; g(x)=
solve:
(f+g)(x)=
(f+g)(x)=
(f+g)(x)=
(f+g)(x)=
***********************************
Explanation....first you simplify the radicals. You can only add and subtract like terms. Radicals are only like terms when the indexes and roots are exactly the same.
Happy Calculating!

RELATED QUESTIONS
I'm not sure this belongs here but... For the functions f(x)= sqrt 12x and g(x)= sqrt... (answered by jim_thompson5910)

If f(x)=3x^2-2 and g(x)=sqrt x, then find f(small o)g. I thought that small o was a... (answered by Theo)

f(x) = x + 7 g(x) = sqrt (x) f + g f - g fg... (answered by edjones)

f(x)=sqrt(x+3)and g(x)=4x^2-3, then find... (answered by Tatiana_Stebko)

Solve If f(x)={{{sqrt(2x-3)}}} and g(x)={{{sqrt(x+7)}}}-2,find any x for which... (answered by MathLover1)

I kind of understand how functions work but this is just confusing and I dont understand... (answered by Jk22)

Given f(x)= sqrt(x+5) and g(x)= |x+3| the formula for f+g is a)|sqrt(x+5)=3|... (answered by Edwin McCravy)

Let f(x)=x-18 and g(x)=sqrt(x-3) I need to find (f/g)(12) and Find the domain of (answered by josgarithmetic)

Given that f(x)=x^2-3x+1 and g(x)=sqrt(4-x), find the following if it exist.... (answered by solver91311)