Sorry if my writing is sloppy
Answer:
a=4220-2t
This would be if we are finding the altitude of the submarine from the surface of the water(how many meters away from the surface it is). I don't know what it would be if you want to know from the bottom of the ocean.
Answer:
Its Option C
Step-by-step explanation:
Basically Linear is derived from the word line
Also this an equation for the line
The y-intercept is 8 and the gradient is -7
This is why the function is linear
Answer:
https://web.williams.edu/Mathematics/sjmiller/public_html/105/hwsolns/HWSolns_Math105_Sp2013.pdf click the link
Step-by-step explanation: