Answer:
#2
Step-by-step explanation:
1+3=4
A counterexample is an a example that proves the statement false.
1+3 are not even numbers but they equal an even one, so it just proved the statement wrong.
Answer:
(a) HI
(b) GJ
(c) KL
(d) 2 units
Step-by-step explanation:
For d, I divided 4 by 2 because a radius is half of the diameter
A(x) = 3x + 1
b(x) = √(x-4)
Therefore

This composition of functions is only defined as a real number when x≥0.
Therefore its domain is x = [1,∞]
Answer: [1,∞]
C I think sorry if I’m wrong