For lunch, a restaurant discounts prices on their menu by 15% and then applies a 10% sales tax to the discounted price. If Jade pays $18.70 after the discount and
sales tax are applied, what was the price of Jade's lunch on the menu?
A $17.48
B $19.35
C $19.68
D $20.00

(1/x + 1)^2 + 6 (1/x + 1) +5

Period is the time it takes for one “cycle” to complete. in the parent sine function, period is 2*pi since sin(0) = 0, sin(pi/2) = 1, sin(pi) = 0, sin(3pi/2) = -1, and sin(2pi) = 0. at that point, the sequence repeats itself. i’m not sure if your graph is similar to the sine function since you didn’t provide a picture, but you can find the period by looking at a graph.