Answer:
Just like how we did the other one, you will do the same thing. Hope this helps, thank you !!
5(24+4) Also 20(6+1)...................
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.
Multiply 250 by 120 and the answer is 300,000ft2