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Differentiation of exponential and logarithmic functions — Question 1

Original QCE Vault practice · 1 mark

Q1 · Practice questionTechnology-freeSimple familiar1 mark

QUESTION 1

If

f(x)=e^{2x}

, then

f'(x)

is

(A)

2e^{2x}

(B)

e^{2x}

(C)

2xe^{2x}

(D)

e^{x^2}

ABCD

Question linkSyllabus coverage

WORKED SOLUTION

Answer A

1 mark

ANSWER

A

Worked solution

Using

\frac{d}{dx}e^{u}=u'e^u

with

u=2x

,

f'(x)=2e^{2x}

.

Selects the correct option.

[1 mark]

Practice question aligned to the current QCAA syllabus; review the worked solution and marking criteria.

View the QCAA syllabus

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