Answer:
0.4
Step-by-step explanation:
1/4 = 0.25
Answer:

Step-by-step explanation:
We are given the following function in the question:

We have to derivate the given function.
Formula:

The derivation takes place in the following manner


Answer:
y=-1
Step-by-step explanation:
Answer:
144i + 81
Step-by-step explanation:
(-3*9i)(-5 + 3i) + 9i
-27i (-5 + 3i) + 9i
FOIL
135i + 81 + 9i
144i + 81