TMUA Y and A Tutoring Paper 1 with Answers and Hints · Question 5

A sequence is defined by $u_n=2^{3n-1}$ for integers $n\ge1$ . Which of the following statements correctly describes the sequence defined by $v_n=\log_4(u_n)$ ?

AIt is an arithmetic sequence with a common difference of

3

BIt is an arithmetic sequence with a common difference of

1.5

CIt is a geometric sequence with a common ratio of

1.5

DIt is a geometric sequence with a common ratio of

3

EIt is neither an arithmetic sequence nor a geometric sequence.

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Y and A Tutoring Paper 1 with Answers and Hints · Q5