Answer to Question #284549 in Math for Leyahhhh

Question

Answer the following items. Show your complete solution on a separate sheet of paper.

1.Let a and b be real numbers and let p, q, and r denote the following sentences:

Indicate whether each of the following compound sentences yields a true or false statement (A) when x = 2; (B) when x = -2.

a. p ↔ q

b.. p ↔ r

c. r → p

d. p →r

e.q ↔ r

f. q → p

g. r → q

h. q →r

What can you say about each of the above expressions a – h when x = 0?

2.Which of the above sentences in No. 1 become implications and which of them become equivalences, if the admissible values for x are:

a. all positive real numbers?

b.All negative real numbers?

C All real numbers?