Answer to Question #255221 in Discrete Mathematics for sandi

Question

Find the truth set of each of these predicates where the domain is the set of integers. a) P(x): 𝑥 3 ≥ 1 b) Q(x): 𝑥 3 = 8 c) R(x): x < 𝑥 2 d) F(x): |x +5| < 52

Answer 1

a)

$x\ge1$

b)

$x=2$

c)

$x\neq 0,\ x\neq 1$

d)

$-57<x<47$