Question:- Find

Answer:- we know that

so by putting the value:-

Answer:
a). 8(x + a)
b). 8(h + 2x)
Step-by-step explanation:
a). Given function is, f(x) = 8x²
For x = a,
f(a) = 8a²
Now substitute these values in the expression,
= 
= 
= 
= 8(x + a)
b).
= 
= 
= 
= (8h + 16x)
= 8(h + 2x)
Passover extra words to make 20 characters lol