Answer:
What is the first part of the question? Can you put it in the comments?
Step-by-step explanation:
Ok I think u have to do subtraction and in a negative way
Answer:
7
Step-by-step explanation:
Substitution then simplify
Answer:
4(x-7)^2-(x-7)+3 (Assuming t is f)
Step-by-step explanation:
Let s(x)=x-7 and t(x)=4x^2-x+3 .
(t o s)(x)=t(s(x))=t(x-7)
Before I continue this means replace the orginal x in t with x-7.
This will then give you
4(x-7)^2-(x-7)+3
