K (3
k(30) = 303-15
SC303.15)=√√126,260
_S (303.15) = 255.3
REASONING
- Consider the functions f(x) = 2x+9 and g(x)=*=9. Calculate the following.
2
(b) g (ƒ (-3)) = - 3
+(-3)=2(-33 +9
g(3) = 3-9
(a) g(ƒ(15)) = 15
f(15)=2(15) + 9
9639)= 34-9-15
2
(c)
дс
=1-3)
(d) What appears to always be true when you compose these two functions?
COMMON CORE ALGEBRA II, UNIT #2- FUNCTIONS AS CORNERSTONES OF ALGEBRA
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