Someone please make sense of the part where it starts from “example, consider f(5) +3:
f(5)+3=52 - 7+3=25-7+3=21”
My question is how did this come to being.

Which of the following best describes the delian problem?

Luke wants to reduce the area of his rectangular garden by 1/4 the expression 14/w can be used to represent this change. what is another way to write this expression?

Assume that y varies inversely with x. if y=1.6 when x=0.5 find x when y=3.2 acellus answer