Question 3
Binary OperationsA binary operation on the set of real numbers is defined by x ∗ y = (x + y)/2 for all x, y ∈ R. Find 7 ∗ 5
- A.8
- B.9
- C.5
- D.6
Show the answer and explanation
Answer: D (6)
Explanation
7 ∗ 5 = (7 + 5)/2 = 12/2 = 6.
A binary operation on the set of real numbers is defined by x ∗ y = (x + y)/2 for all x, y ∈ R. Find 7 ∗ 5
Answer: D (6)
7 ∗ 5 = (7 + 5)/2 = 12/2 = 6.