SOLUTION: Consider the following functions. f(x) = x2 + 4x, g(x) = 5x2 − 1 Find (f + g)(x). Find the domain of (f + g)(x). (Enter your answer using interval notation.)

Algebra ->  Rational-functions -> SOLUTION: Consider the following functions. f(x) = x2 + 4x, g(x) = 5x2 − 1 Find (f + g)(x). Find the domain of (f + g)(x). (Enter your answer using interval notation.)       Log On


   



Question 1200482: Consider the following functions.
f(x) = x2 + 4x, g(x) = 5x2 − 1
Find (f + g)(x).

Find the domain of (f + g)(x). (Enter your answer using interval notation.)

Find (f − g)(x).

Find the domain of (f − g)(x).(Enter your answer using interval notation.)

Find (fg)(x).

Find the domain of (fg)(x).(Enter your answer using interval notation.)

Find (f/g)(x).

Find the domain of (f/g)(x).(Enter your answer using interval notation.)

Answer by josgarithmetic(39620) About Me  (Show Source):
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Simple reading of the symbolism and substitution....