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F(n)=1/2n^2-10h(t)=5-2t/t-1f(h(0.5))=

User Amarghosh
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1 Answer

3 votes

f(n) = 1/2n² - 10

h(t) = (5 - 2t)/(t - 1)

h(0.5) = (5 - 2(0.5))/(0.5-1) = 4/-8 = -0.5

f(-0.5) = 1/2(-0.5²) - 10 = 0.125 - 10 = -9.875 = -79/8

User Simo Kinnunen
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