Answer:
y=x-5
Step-by-step explanation:
"output" means y
and "input" means x
So all you need to find is the =
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Step-by-step explanation:
Standard polynomial is:

Leading co effecient is:
-20
Answer:
Psychology textbooks = 98 and physics textbooks = 294
Step-by-step explanation:
Let there are x psychology textbooks sold.
No of physics textbooks sold = 3x
ATQ,
A textbook store sold a combined total of 392 physics and psychology textbooks in a week.
x + 3x = 392
4x = 392
x = 98
It means there are 98 psychology textbooks sold and 3x = 3(98) = 294 physics textbooks sold.