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Soluções para a tarefa
A) F(-5) = 2. (-5)² + 4 . (-5) + 2
F(-5) = 2 . 25 - 20 + 2
F(-5) = 50 - 20 + 2
Y = 32
F(-4) = 2 . (-4)² + 4 . (-4) + 2
F(-4) = 2. 16 - 16 + 2
F(-4) = 32 - 16 + 2
Y = 18
F(-3) = 2 . (-3)² + 4 . (-3) + 2
F(-3) = 2 . 9 - 12 + 2
F(-3) = 18 - 12 + 2
Y = 8
F(-2) = 2 . (-2)² + 4 . (-2) + 2
F(-2) = 2 . 4 - 8 + 2
F(-2) = 8 - 8 + 2
Y = 2
F(-1) = 2 . (-1)² + 4 . (-1) + 2
F(-1) = 2 . 1 - 4 + 2
F(-1) = 2 - 4 + 2
Y = 0
F(0) = 2 . 0 + 4 . 0 + 2
Y = 2
F(1) = 2 . 1² + 4 . 1 + 2
F(1) = 2 . 1 + 4 + 2
F(1) = 2 + 6
Y = 8
F(2) = 2 . 2² + 4 . 2 + 2
F(2) = 2 . 4 + 8 + 2
F(2) = 8 + 10
Y= 18
F(3) = 2 . 3² + 4 . 3 + 2
F(3) = 2 . 9 + 12 + 2
F(3) = 18 + 14
Y = 32
B) F(-1) = (-1)² - 6 . (-1) + 5
F(-1) = 1 + 6 + 5
Y = 12
F(0) = 0² - 6 . 0 + 5
Y = 5
F(1) = 1² - 6 . 1 + 5
F(1) = 1 - 6 + 5
Y = 0
F(2) = 2² - 6 . 2 + 5
F(2) = 4 - 12 + 5
Y = - 3
F(3) = 3² - 6 . 3 + 5
F(3) = 9 - 18 + 5
Y = - 4
F(4) = 4² - 6 . 4 + 5
F(4) = 16 - 24 + 5
Y = - 3
F(5) = 5² - 6 . 5 + 5
F(5) = 25 - 30 + 5
Y = 0
F(6) = 6² - 6 . 6 + 5
F(6) = 36 - 36 + 5
Y = 5
F(7) = 7² - 6 . 7 + 5
F(7) = 48 - 42 + 5
Y = 12
C) F(-4,5) = 2 . (-4,5)² - 6 . (-4,5) + 8
F(-4,5) = 2 . 20, 25 + 27 + 8
F(-4,5) = 40,5 + 27 + 8
Y = 75,5
F(-3,5) = 2. (-3,5)² - 6 ( -3,5) + 8
F(-3,5) = 2. 12,25 + 21 + 8
F(-3,5) = 24,5 + 21 + 8
Y = 53,5
F(-2,5) = 2 . (-2,5)² - 6 . (-2,5) + 8
F(-2,5) = 2 . 6,25 + 15 + 8
F(-2,5) = 12,5 + 15 + 8
Y = 35,5
F(-1,5) = 2 . (-1,5)² - 6 . (-1,5) + 8
F(-1,5) = 2 . 2,25 + 9 + 8
F(-1,5) = 4,5 + 9 + 8
Y = 21,5
F(-0,5) = 2 . (-0,5)² - 6 . (-0,5) + 8
F(-0,5) = 2 . 0,25 + 3 + 8
F(-0,5) = 0,5 + 3 + 8
Y = 11,5
F(0,5) = 2 . 0,5² - 6 . 0,5 + 8
F(0,5) = 2 . 0,25 - 3 + 8
F(0,5) = 0,5 - 3 + 8
Y = 5,5
F(1,5) = 2 . 1,5² - 6 . 1,5 + 8
F(1,5) 2. 2,25 - 9 + 8
F(1,5) 4,5 - 9 + 8
Y = 3,5
D) F(-1) = (-1)² + 4 . (-1) + 5
F(-1) = 1 - 4 + 5
Y = 2
F(0) = 0 + 4 . 0 + 5
Y = 5
F(1) = 1² + 4 . 1 + 5
F(1) = 1 + 4 + 5
F(1) = 10
F(2) = 2² + 4 . 2 + 5
F(2) = 4 + 8 + 5
Y = 17
F(3) = 3² + 4 . 3 + 5
F(3) = 9 + 12 + 5
Y = 26
F(4) = 4² + 4 .4 + 5
F(4) = 16 + 16 + 5
Y = 37
F(5) = 5² + 4 . 5 + 5
F(5) 25 + 20 + 5
Y = 50