Answer:
A
Step-by-step explanation:
Linear as said in it's name is a function that creates (visualy) a straight line.
FROM all the graphs A shows a straight line therefore, the answer.
hjouStep-by-step explanation:
m lll,
No
Substitute by x = 2 and y = - 1
You will get 2*2 + (-1) = 3 not 5
Then it doesn't lie