Answer:
Yes
Explanation:
Linear function's graphs are straight lines. All straight lines, except vertical lines, are linear functions. If you were to graph y=-2x+3, you would see a diagonal, straight line.
You also can tell that it is linear because the equation is written in slope-intercept form. Slope-intercept form is written as y=mx+b, where m is the slope and b is the y-intercept.
Finally, the degree of the equation is 1. This is because the highest exponent on a variable is 1. Linear functions always have a degree of 1.