Answer:
It doesnt affect the equation
Step-by-step explanation:
If it were like this
8-(-9) means posotive minus negative 9
No mode. There are no two or more of the same price in the given situation.
Let x represent the days it will take for the stalk to be at least 300 cm tall
3x+9≥300
3x≥291
x≥97
Answer:

Step-by-step explanation:
Call 
Now, 

This is the inverse of the given function.
You can cross - verify it by substituting a point, say, 
We see that the point satisfies both the equations.