Answer:
+1
-1
Step-by-step explanation:
Given equation :
= 0
x= ±1
x= 1 and x= -1
±1 lies in solution set of real numbers !
-3/8, -0.65, 5/16, 2/4
-13/3
Let f(x)=A
x=f'(A)
x=3(A+5)
A=(x-15)/3
f(x)=(x-15)/3
ff(2)=(2-15)/3
=-13/3
3:10