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The function b(n) = 6n represents the number of light bulbs b(n) that are needed for n chandeliers. How many lightbulbs are needed for 15 chandeliers?

90 lightbulbs

2 lightbulbs

96 lightbulbs

80 lightbulbs

Verified Answer :

JcAlmighty

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;

\(b(15) = 6 \cdot 15 = 90\) lightbulbs

Therefore, 90 light bulbs are needed for 15 chandeliers.

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