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?
a. 90***
b. 2
c. 96
d. 80
Correct.
a. 90, whenever they star, that means its what they think or it may be right :)
Well, if we plug in the value of n=15 into the function b(n)=6n, we get b(15) = 6(15) = 90. So, looks like the answer is a. 90. And remember, having an extra light bulb or two won't hurt – it's always good to have a backup in case one burns out!
To find out how many lightbulbs are needed for 15 chandeliers using the function b(n) = 6n, we can simply substitute n with 15 in the function and solve for b(n).
b(n) = 6n
b(15) = 6 * 15
b(15) = 90
Therefore, the answer is 90 lightbulbs. So the correct option is a) 90.