Find all real and non-real roots of the function ƒ(x) = (x2 + 4)(x – 2). Question 10 options:

A)

x = ±2i, 2

B)

x = ±2i

C)

x = ±4i, 2

D)

x = ±2

Lisa has three classes that each last 50 minutes. what is the total number of minutes of the three classes

Someone answer this asap rn for ! a discount store’s prices are 25% lower than department store prices. the function c(x) = 0.75x can be used to determine the cost c, in dollars, of an item, where x is the department store price, in dollars. if the item has not sold in one month, the discount store takes an additional 20% off the discounted price and an additional $5 off the total purchase. the function d(y) = 0.80y - 5 can be used to find d, the cost, in dollars, of an item that has not been sold for a month, where y is the discount store price, in dollars. create a function d(c(x)) that represents the final price of an item when a costumer buys an item that has been in the discount store for a month. d(c(x)) =

X+ y = 5 ; x - y =3 solve using linear combination