The y-intercept is the value of a function f when x is equal to zero. So, substitute 0 for x into the equation and find the value of y.
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It shows the relationship of y in terms of x. [y = (yIntercept) + ((slope)*(x))] [slope = (y2 - y1)/(x2 - x1)]
how don you find write the domain of a function
Without the inclusion of an equality sign and not knowing the plus or minus values of the given terms it can't be considered to be a straight line equation
By finding something who's behavior is represented by a linear function and graphing it.
The term "composition" refers to applying one function after another. It is not usually used for a single function, although you can of course apply the same function twice.