In 2001, gold was priced at (0.5x + 300) dollars per ounce. Its price tripled in 2008 and then doubled in 2011. In 2016, its price dropped to 2 3of the price in 2011.• Write an expression for the price of gold per ounce in 2016.• Explain how you found the expression. Write your expression and explanation in the space below

Given:

Price of  gold in 2001 = (0.5x+300)

Its price tripled in 2008 and then doubled in 2011. In 2016, its price dropped to of the price in 2011.

To find:

An expression for the price of gold per ounce in 2016.

Solution:

We have,

Price of  gold in 2001

Its price tripled in 2008.

Price of  gold in 2008

Then doubled in 2011.

Price of  gold in 2011

In 2016, its price dropped to of the price in 2011.

Price of  gold in 2016

Therefore, the required expression for the price of gold per ounce is (2x+1200).

the first one, all those points on the line just make a strait line.