Question

The 1st and 5th terms of an exponential sequence are 16 and 9 respectively find the 7th term of the sequence

Answer 1

Answer:

6 3/4

Step-by-step explanation:

y = abˣ

16 = ab¹

9 = ab⁵

ab⁵ / ab¹ = 9 / 16

b⁴ = 9/16

b² = 3/4

7th term: y = ab⁷ = ab⁵ x b² = 9 x 3/4 = 27/4  = 6 3/4