Which sequence matches the recursive formula? an=2an−1+5, where a1=5 A) 5,10,15,20,... B) 5,15,35,75,... C) 5,15,25,35,... D) 5,20, 35, 50,...

Question

Which sequence matches the recursive formula? an=2an−1+5, where a1=5  A) 5,10,15,20,...  B) 5,15,35,75,...  C) 5,15,25,35,...  D) 5,20, 35, 50,...

Evie French · Accepted Answer

a1=5  a2=2a1+5=2⋅5+5=15  a3=2a2+5=2⋅15+5=35  a4=2a3+5=2⋅35+5=75

Which sequence matches the recursive formula? an=2an−1+5, where a1=5 A) 5,10,15,20,... B) 5,15,35,75,... C) 5,15,25,35,......