Answer: Confusing.
If it's f(x) is 2 times 2 minus 8, it's a horizontal line at y-4.
If it's f(x) is 2x 2-8
It's handy to use a graphing calculator.
Explanation:
Be sure to clarify what the equation means
Thanks to Desmos for the graphs.
As you can see, the numbers could represent a lot of different things-- especially when 'x' can be a variable -- or confused with the multiplication sign.