I’m pretty sure the second questions answer is y=3x+2
The range refers to the value of y for which x is define.
So let y=f(x),

Try making x the subject to obtain,

x is defined for all real values of y greater than
0.
Hence the correct answer is D.
Answer:
x = 20
Step-by-step explanation:
hmu for more information
Answer:
first one = 15x+30y-220
second one = 2.4x-4.4
Step-by-step explanation:
step by step you can ask about anything you dont understand