FUNgsi Kuadratdomainrangetitik puncak
f(x)= - x² - 6x + 10domian DF = { x | x ∈ R}range RF = { y | y ∈ R}
titik puncak (xp, yp)
xp = - b/2axp = -(- 6)/ 2(-1)xp = 6/-2xp = - 3
yp= f(3)yp = - (-3)² - 6(-3) + 10yp = -9+ 18 + 10yp = 19
titik puncak P (-3, 19)
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FUNgsi Kuadrat
domain
range
titik puncak
f(x)= - x² - 6x + 10
domian DF = { x | x ∈ R}
range RF = { y | y ∈ R}
titik puncak (xp, yp)
xp = - b/2a
xp = -(- 6)/ 2(-1)
xp = 6/-2
xp = - 3
yp= f(3)
yp = - (-3)² - 6(-3) + 10
yp = -9+ 18 + 10
yp = 19
titik puncak P (-3, 19)