Given the functions :

a. find f ( -1/4)
so, substitute with x = -1/4 at the function f

b. find f(-3x+2)
so, substitute with x = -3x + 2

C. find h (5x) - 4
So, the answer will be :

d. -4h(3+k)
so, the answer will be :

e. f(-x^3)
So ,the answer will be :

f. h(-2/3)
So, the answer will be :
