Answer:
(2) 6x^2+40x +50
Step-by-step explanation:
(4x+10)*(2x+5) = 8x^2 +40+50
minus 2x^2
=6x^2 +40 +50
7 and 21 I believe, hope you get it right
Answer:
a.
inverse
of
(0,1)=(1,0)
(1,0)=(0,1)
(2,-1)=(-1,2)
(3,0)=(0,3)
(4,1)=(1,4)
Step-by-step explanation:
b.
yes the function are inverse
as
(-1,2)=(2,-1)
(0,1)=(1,0)
