Let f(x) = x2 + 9x and g(x) = 4x2 − 2. Find the function. f + g (f + g)(x) = Find the domain. (Enter your answer using interval notation.)

Question

Let  f(x) = x2 + 9x  and  g(x) = 4x2 − 2.  Find the function. f + g (f + g)(x) =      Find the domain. (Enter your answer using interval notation.)

Patrick B. · Accepted Answer

f+g = 5x^2 + 9x - 2the domain is all reals

1 Expert Answer