Answer:
2x+2y
Step-by-step explanation:
x+x = 2x
y+y = 2y
2x+2y
You do kcf so 6/2/3 equal to 9
Answer:
k = 8
Step-by-step explanation:
Given that y varies directly as x then the equation relating them is
y = kx ← k is the constant of variation
To find k use the condition y = 32 when x = 4, then
32 = 4k ( divide both sides by 4 )
8 = k
Answer:
Distributive law of multiplication
Step-by-step explanation:
Answer:
all are functions
Step-by-step explanation:
a function is when each x has a y
a relation is when 1 x has more than 1 y which makes it invalid therefore not a function