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Mathematics 18 Online
OpenStudy (anonymous):

if f(x)=x^2, g(x)=3x, and h(x)=x-1 find the value of g[f(1)]

hartnn (hartnn):

you can first find f(1) by plugging in x = 1 in f(x) what do u get ?

OpenStudy (anonymous):

1

hartnn (hartnn):

correct :) so, g(f(1)) is just g(1) you can find g(1) by plugging in x= 1 in g(x)

OpenStudy (anonymous):

3

hartnn (hartnn):

thats correct :) g[f(1)] = 3

OpenStudy (anonymous):

oh ok thnx just making sure

hartnn (hartnn):

welcome ^_^

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