Question

8
h(x) = 2x3 + 4x - 8
k(x) = 14x – 2
Find (k – h)(x)
© 2018 HSMathCrazy

Answer 1

The subtraction function

`(k-x)(x)`

is defined as the subtraction of the two equations, representing each function:

`(k-h)(x)=k(x)-h(x)`

So, we have

`(k-h)(x)=k(x)-h(x)=14x-2-(2x^3+4x-8)=-2x^3+10x+6`