Question

Tolong dijawab yang nomer 7

Answer 1

F(x) = px² - x + 1
y = px² - x + 1
y = 3x +2

y = y
px² - x + 1 = 3x + 2
px² - x - 3x + 1 - 2 = 0
px² - 4x - 1 = 0
a = p
b = -4
c = -1

syarat D < 0
b² - 4ac < 0
(-4)² -4.p.(-1) < 0
16 + 4p < 0
4p < -16
p < -4