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Gaylec Gaylec
  • 12-08-2016
  • Mathematics
Answered

f(x) = 4x + 7, g(x) = 3x2


Find (fg)(x).

Verified Answer :

Panoyin
Panoyin Panoyin
  • 12-08-2016

f(x) = 4x + 7
g(x) = 3x²

(f · g)(x) = 3x²(4x + 7)
(f · g)(x) = 3x²(4x) + 3x²(7)
(f · g)(x) = 12x³ + 21x²

Answer Link
erato erato
  • 14-06-2019

Answer:

Value of (fg)(x) is:

12x³+21x²

Step-by-step explanation:

f(x) = 4x + 7, g(x) = 3x²

(fg)(x)=f(x)g(x)

        =(4x+7)(3x²)

       = 4x(3x²)+7(3x²)

       = 12x³+21x²

Hence, value of (fg)(x) is:

12x³+21x²

Answer Link

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