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Whereas we are on the subject of function evaluation we have to now talk about piecewise functions. Actually we've already seen an instance of a piecewise function even if we didn't call it a function (or a piecewise function) at the time. Remind the mathematical definition of absolute value.
It is a function and if we employ function notation we can write it as,
It is also an instance of a piecewise function. A piecewise function is a function which is broken into pieces & which piece you use based upon value of x. Thus, in the absolute value example we will employ the top piece if x is positive or zero and we will employ the bottom piece if x is -ve.
Thirty percent of the students in a mathematics class received an “A.” If 18 students received an “A,” which of the following represents the number of students in the class?
f(x)=5x2=5x-2 f(3)
20
There are two given points ( x 1 , y 1 ) and ( x 2 , y 2 ), the distance between these points is prearranged by the formula: Don't allow the subscripts fright you. Th
need help with homework
how do i add 2 polynomials
4x/y-3x/y+5x/y-x/y
2x-3(2x+7)=-13
We have to note a couple of things here regarding function composition. Primary it is NOT multiplication. Regardless of what the notation may recommend to you it is simply not
Linear Systems with Three Variables It is going to be a fairly short section in the sense that it's actually only going to contain a couple of examples to show how to take the
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