Answer:
d. 3/4
Step-by-step explanation:
second equation :
( 20x² — 2xy — 42y² )
expand the two brackets.
is 10 1/2
x=−y−2z+3
x=y+32z+1
x=13y+23z+13
f(x) = 8x + 8
f(x+1) = 8(x+1) + 8
= 8x + 8 + 8
= 8x + 16
