Finding Arithmetic Combinations of Functions In Exercises 5-12, find (a) f + g x , (b) f − g x , (c) f g x and (d) f / g x . What is the domain of f / g ? f x = x 2 − 4 , g x = x 2 x 2 + 1
Finding Arithmetic Combinations of Functions In Exercises 5-12, find (a) f + g x , (b) f − g x , (c) f g x and (d) f / g x . What is the domain of f / g ? f x = x 2 − 4 , g x = x 2 x 2 + 1
Solution Summary: The author explains how to calculate the value of (f+g) — it's sqrtx2-4+
Finding Arithmetic Combinations of Functions In Exercises 5-12, find (a)
f
+
g
x
, (b)
f
−
g
x
, (c)
f
g
x
and (d)
f
/
g
x
. What is the domain of
f
/
g
?
f
x
=
x
2
−
4
,
g
x
=
x
2
x
2
+
1
Expression, rule, or law that gives the relationship between an independent variable and dependent variable. Some important types of functions are injective function, surjective function, polynomial function, and inverse function.
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