0,1,2,3,4 rounds Down
5,6,7,8,9 rounds up
6.7 >>.7 rounds up
6.7 >> 7
We have , to find inverse switch y and x then solve for y.
.
Hope this helps.
Answer:
Step-by-step explanation:
( 5 - x) ( 4-x )
=5(4-x)-x(4-x)
=20-5x-4x+x^2
=x^2-9x+20
hope it helps...