Question

Nilai g (2) =...
pliss di jawab.. besok dh di kumpul

Answer 1

Verified answer

Pertama kita cari nilai c
g (3) = 2*3³ + 4*3² - 5*3 + c
= 2*27 + 4*9 - 5*3 + c
= 54 + 36 - 15 + c
= 75 + c
75+c = 70
c = -5
jadi,
g (2) = 2*2³ + 4*2² - 5*2 - 5
= 2*8 + 4*4 - 10 - 5
= 16 + 16 - 10 - 5
= 17 (A)

Answer 2

G(3) = 2·3³ + 4·3² - 5·3 + c
  70 = 54 + 36 - 15 + c
    c = -5

g(2) = 2·2³ + 4·2² - 5·2 - 5
       = 16 + 16 - 10 - 5
       = 17    (A)


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