I think Si is more reactive
Answer:
y = 1/2 x + 3
Step-by-step explanation:
the positive 3 is the y intercept and the positive 1/2 is rise over run up-1 & 2 to the right
The y-intercept is 2 and the Slope is 2/4 but if you simplify that, it will be 1/2.
X^2+2x is the expression that represents the area.