Post-UTME Mathematics 2016 Objective — Question 49
Question 49 of 60 from the Post-UTME Screening (Post-UTME) Mathematics 2016 Objective paper, with the correct answer and a full explanation.
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Exponential & Logarithm 9. What is the value of x in the exponential equation 9 + e^(2x-4) = 10
- A. 2Correct
- B. 3
- C. 4
- D. 5
Explanation
e^(2x-4)=1, so 2x-4=0 (since ln1=0), giving x=2.
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