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IB
Hard
Functions
10–12
Solve:
e^{x} = 5
. What is
x
(to 3 s.f.)?
Resolve:
e^{x} = 5
. Qual é
x
(3 alg. sig.)?
Answer options
A.
0.699
B.
1.79
C.
2.30
D.
1.61
Check Answer
Solution
x = \ln(5) \approx 1.609 \approx 1.61