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Mathematical Methods — Question 4

QCAA 2024, Paper 1 · 1 mark

Q4 · 2024 · Technology-freeSimple familiar1 mark

QUESTION 4

Simplify

y=2\ln(e^x)

.

(A)

2x

(B)

e^{2x}

(C)

x^2

(D)

2e^x

ABCD

Question linkOriginal paper

WORKED SOLUTION

Answer A

1 mark

ANSWER

A —

2x

Worked solution

\ln(e^x)=x

, hence

y=2x

; A.

Selects option A.

[1 mark]

Worked explanation by QCE Vault; correct option verified against the QCAA answer key.

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