kle091111 kle091111

21-08-2020
Mathematics

contestada

h.
R(x) = kx – 2x^2 ; R(1/4)
R(-1/4)
find k.

h Rx kx 2x2 R14 R14 find k class=

Respuesta :

surjithayer10 surjithayer10

21-08-2020

Answer:

k=0

Step-by-step explanation:

R(x)=kx-2x²

R(1/4)=k(1/4)-2(1/4)²=k/4-1/8

R(-1/4)=k(-1/4)-2(-1/4)²=-k/4-1/8

R(1/4)=R(-1/4)

k/4-1/8=-k/4-1/8

k/4+k/4=1/8-1/8

2k/4=0

2k=0

k=0

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