Fluorescent light flickers as it is about to blow and the light cycle can be approximated by a sinusoidal curve. A model for one fluorescent light is y = 35 + 15sin120π(x -0.003), where x is the amount of time in minutes. How long does it take for the light to flicker five times?

answer is a

step-by-step explanation:

i would say true? if the unit was informational and it "refreshed your understanding", then true.

answer: - (a)

(b) 88 seats

step-by-step explanation:

given: in an auditorium, there are 22 seats in the first row and 28 seats in the second row.

thus first term=

second term=

the number of seats in a row continues to increase by 6 with each additional row.

⇒d= 6

a) given formula :

b)   let the number of seats (n) = 12

substitute n=12 in the explicit rule formed in (a)

∴there are 88 seats in 12 rows.