Question

Sally decides to make and sell necklaces to earn money to buy a new computer. She plans to charge $ 5.50 per necklace. The function R(n)=5.50n describes the revenue, R(n), she will make by selling. What is the y-intercept of this function, and what does it mean?

a. $0, which means that when Sally has sold 0 necklaces, she has made $0.

b. $5.50, which means that she makes $5.50 on each necklace.

c. $5.50, which means that when Sally sells 0 necklaces, she has made $5.50.

d. $0, which means she makes $0 on each necklace.

Answer 1

The regression function for Revenue here is given to be:
R(n) = 5.5n

The general form of the regression equation is given as:
y = ab + x

In the given regression function, we have here:
R(n) = Revenue as the dependent variable and
n = number of necklaces sold.

Comparing to the general form:

• The y-intercept of this function is given here to be 0, which means that for 0 necklaces sold, the total revenue would be 0 .

$0, which means that when Sally has sold 0 necklaces, she has made $0.

Therefore A is the correct answer here.