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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
1 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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