Answer:
a) Arithmetic yₙ = 3*(n - 1) + 13
b) Geometric yₙ = 2*5⁽ⁿ⁻¹⁾
Step-by-step explanation:
5
CE=AE-AC=4
CD=CE-DE=4-1.5=2.5
BC=BD-CD=7.5-2.5=5
219.6 days