Question 19
Logarithmslog2(x + 3) − log2 x = 2, solve for x
- A.9
- B.8
- C.2
- D.1
Show the answer and explanation
Answer: D (1)
Explanation
log₂((x + 3)/x) = 2, so (x + 3)/x = 4, x + 3 = 4x and x = 1.
log2(x + 3) − log2 x = 2, solve for x
Answer: D (1)
log₂((x + 3)/x) = 2, so (x + 3)/x = 4, x + 3 = 4x and x = 1.