Explanation:
4.
p(-2) = 6×-2 + 2 = -12 + 2 = -10
p(4) = 6×4 + 2 = 24 + 2 = 26
so,
p(-2) is smaller than p(4)
3.
r(-1) = -2×-1 - 5 = 2 - 5 = -3
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