Equations and Inequations
Equations and inequalities describe the relationship between two mathematical expressions.
Linear Functions
A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.
When a model rocket is launched, the propellant
burns for a few seconds, accelerating the rocket upward.
After burnout, the rocket coasts upward for a while and then begins
to fall. A small explosive charge pops out a parachute shortly after
the rocket starts down. The parachute slows the rocket to keep it
from breaking when it lands. How fast was the rocket climbing when the engine stopped?
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