Answer:
Option A is correct.
90 lightbulbs are needed for 15 chandeliers.
Step-by-step explanation:
Given: The function b(n) = 6n ......[1]
where n represents chandeliers and b(n) represents the number of light bulbs.
To find the number of light bulbs are needed for 15 chandeliers.
Substitute n = 15 in [1] we get;
[tex]b(15) = 6 \cdot 15 = 90[/tex] lightbulbs
Therefore, 90 light bulbs are needed for 15 chandeliers.
