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Sample edHelper.com - Functions Worksheet

 Name _____________________________ Date ___________________
Relations and Functions
Complete.

 1 f(x) = 14x + 13g(x) = -11x2 + 13x + 15find f(f(4))
 2 f(x) = -12x2 - 10x + 15g(x) = -10x2 - 13x + 13find g(f(6))
 3 f(x) = 12x2 - 11x - 10g(x) = 14x - 13find g(g(5))
 4 f(x) = -14x2 + 14x - 11g(x) = 13x2 + 13x + 12find f(6) ÷ g(6)
 5 f(x) = -10x3 + 10x2 + 14x + 12g(x) = 15x3 + 15x2 - 14x + 14find g(-1) × g(-9) + g(12) × f(3)
 6 f(x) = 13x3 + 15x2 - 10x + 12g(x) = 13x + 15find f(6)-g(6)
 7 f(x) = -14x - 12g(x) = -13x - 11find g(-9) × g(-11) - f(-3) × f(-7)
 8 f(x) = 10x + 14g(x) = -11x - 12find g(g(9))
 9 f(x) = -12x2 + 11x - 13g(x) = 15x - 12find f(f(8))
 10 f(x) = 10x3 + 10x2 + 11x - 14g(x) = -14x + 12find g(f(6))
 11 f(x) = -10x + 13g(x) = -15x - 15find g(-7) × g(10) - f(8) × f(3)
 12 f(x) = 10x + 12g(x) = -10x2 + 15x - 10find f(-3) × g(-5) + g(9) × f(1)
 13 f(x) = -10x3 + 13x2 - 12x - 11g(x) = 14x2 - 15x - 14find f(15) ÷ g(15)
 14 f(x) = 15x2 + 11x - 10g(x) = -13x + 10find f(5)-g(5)
 15 f(x) = -15x + 12g(x) = 12x2 + 12x + 15find f(3)-g(3)

Sample
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