f(x) = 4x2 + 5,    g(x) = 6x (a) Find (f ∘ g)(x). 144x2+5     (b) Find (g ∘ f)(x). 24x+30     (c) Find  f(g(−3)). (d) Find  g(f(4)).

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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f(x) = 4x2 + 5,    g(x) = 6x
(a) Find (f ∘ g)(x).
144x2+5
 
 


(b) Find (g ∘ f)(x).
24x+30
 
 


(c) Find 
f(g(−3)).



(d) Find 
g(f(4)).
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