What is the value of f(3) for the function f(x) = 8x – 5?
What is the value of g[f(5)] for the functions f(x) = 2x + 1 and g(x) = 2x - 5?
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What is the value of g[f(5)] for the functions f(x) = 2x + 1 and g(x) = 2x - 5?
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19
17
becuz f(3)=8(3)-5 = 24-5 = 19
and for g(f(5)) = g(2(5)+1)) = g(11)
since g(f(x)) = g( 2x+1)
g(11)=2(11)-5=22-5=17
1) 8*3 - 5 = 24 - 5 = 19
2) f(5) = 10 + 1 = 11
so g(f(5)) = g(11) = 22 - 5 = 17
g[f(5)] = 17
f(3) = 19