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What are derivatives and why do derivatives exist?
The derivative of a function is another function that represents the slope of the function at each of the points in the original function's domain. For instance, given the function f(x) = x2, the derivative is f'(x) = 2x. This says that the slope of the original function f(x) = x2 is 2x at every x. This is very useful when you want to graph the function, because you only need a few data points, and then you can quickly sketch the shape of the curve when you know the slope. Later on, you are going to learn about anti-derivatives, and you are going to call them integrals, and you are going to learn the vast power of this thing we call calculus in terms of finding the area under a curve, but let's take it one step at a time.
A is a rule that assigns each value of the independent variable to exactly one value of the dependent variable?
This will be a math function. Each choice is only going to have one answer in this kind of function.
What is the function of stair gates?
A Stair Gates Main Function is Safety and Baby Safety. Most Houses get these when there is a baby and/or toddler. Stair Gates block a person from going up or down the stairs.
What does it mean when one says odd one out?
Suppose your best friend was going on a date and they invited you along. Since you are the third person with an established couple, you might feel like the "odd one out."
What is the algebraic function that describes a circle?
For an Explicit Function, you are going to need to have 2 functions, that mirror each other. So you are going to need two equations: y=(1-x^2)^(1/2) and y=-(1-x^2)^(1/2) you need to have them together, otherwise you get only get one semicircle.
