First off, nicely done on the exponents. You'd be surprised on how bad some look ,:D
a)

b)
Answer:
177
Step-by-step explanation:
You have to multiply and you get 177
Answer:
2.304e+15
Step-by-step explanation:
<h2>
<em>moo</em></h2>
Answer:
see explanation
Step-by-step explanation:
g(x) - f(x)
x - 3 - (3x + 2) ← distribute parenthesis by - 1
= x - 3 - 3x - 2 ← collect like terms
= - 2x - 5
There are no restrictions on the domain of - 2x - 5, thus
domain is all real numbers