The function b(n) = 6n represents the number of light bulbs b(n) that are needed for n chandeliers. How many lightbulbs are need ed for 15 chandeliers? 90 lightbulbs
2 lightbulbs
96 lightbulbs
80 lightbulbs
2 answers:
The answer is 90 lightbulbs. b(n) - the number of light bulbs n - the number of chandeliers The function is b(n) = 6n If n = 15, then: b(15) = 6 · 15 = 90 Therefore, the number if light bulbs needed for 15 chandeliers is 90.
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;
lightbulbs
Therefore, 90 light bulbs are needed for 15 chandeliers.
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