Answer:
When f or g are equivalent to a number you are solving for x. For example b, d, e, f. In the equation g(x) =2x2-5 I assumed 2 was a typo. So, if it's incorrect, please use same steps and just adjust the solution.
Step-by-step explanation:

a)

b) 




c) 


d) 



e) 



f) 



Answer:
-3/4
Step-by-step explanation:
-5/4 + 2/4 = -3/4
Hope this helps :)
<u><em>4821216 is rational</em></u>. the definition of rational is a number that ends. this number ends in the ones place which means it is rational
Answer:
6
Step-by-step explanation:
Answer:
b
Step-by-step explanation: