Question 43
IndicesGiven that t = 2−x; find 2x+1 in terms of t.
- A.2/t
- B.t/2
- C.1/2t
- D.2t
Show the answer and explanation
Answer: A (2/t)
Explanation
2x = 1/t, so 2x + 1 = 2 × 2x = 2/t.
Given that t = 2−x; find 2x+1 in terms of t.
Answer: A (2/t)
2x = 1/t, so 2x + 1 = 2 × 2x = 2/t.