School of Electronics Technology1. (30 points) The following quadratic equation describes the average random access memory (RAM)installed, y, in Gigabytes, on PCs t years after 2000. y = 0.022x^2 + 0.25
a. Find the average RAM installed on PCs in the year 2007.
b. If this trend continues, in which year will the average RAM installed on PCs be 14 GB?c. Find the vertex of the quadratic equation. Describe what the vertex means here.
2. (25 points) A logistics company uses two different models of computers in their office. The firstmodel costs $45 to upgrade and the second model costs $30 to upgrade. If the company upgrades200 computers and it costs $7,125 in total, how many units of each model are upgraded?3. (25 points) What is an extraneous solution to a radical equation?
4. (20 points) Find and solve an example of an absolute value equation.