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2. -1
3. ga bisa sorry
= 2√3
2.) gradien garis melalui dua titik:
(-4,5) dan (-1,-2)
m = (y2-y1) / (x2-x1)
m = (-2-5) / (-1-(-4))
m = (-7) / (-1+4)
m = (-7) / (3)
m = -7/3
3.) f(x) = 2-5x
f(3-2p) = ....
f(3-2p) = 2-5(3-2p)
= 2-15+10p
= -13 + 10p