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GoldRush18
 4 years ago
The function f on R is defined by
F(X)={x3 if x<=3
{x/4 if x>3
Find the value of
i. f [f(20)]
ii. f [f(8)]
iii. f [f(3)]
GoldRush18
 4 years ago
The function f on R is defined by F(X)={x3 if x<=3 {x/4 if x>3 Find the value of i. f [f(20)] ii. f [f(8)] iii. f [f(3)]

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experimentX
 4 years ago
Best ResponseYou've already chosen the best response.2okay ... i'll do the first example ... you do the rest 20 > 3 then F(x) = x/4 .... right?? f(20) = 20/4 = 5 again, 5>3, so F(x) = x/4 ... so f(5) = 5/4 = 1.25 :D

experimentX
 4 years ago
Best ResponseYou've already chosen the best response.2try no 2, and alert me if you are stuck ..

GoldRush18
 4 years ago
Best ResponseYou've already chosen the best response.0f(8)=x/4 =8/4 =2 so 2<3 so f(x)= 23= 1?

experimentX
 4 years ago
Best ResponseYou've already chosen the best response.2yes ... you are right!!
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