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Phoenix
[80]
3 years ago
8
1.) IF f(x)=3x-5 and g(x)=x^2, find (fxg)(3)
Mathematics
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answer:
kodGreya
[7K]
3 years ago
8
0
Please use * to denote mult. here, not "x." "x" is your variable and cannnot also be a symbol for mult.
f(x)g(x) = 3x^3 - 5x^2.
Now let x = 3:
(f*g)(3) = 3(3)^3 - 5(3)^2 = 81-45 = 36 (answer)
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