Give me a second to take a look at it
Answer: I have no clue what the second one is but the first one is 1.
Step-by-step explanation:
1) Correct.
2) The y-intercept is when x=0, so it is (0,5).
Answer: Assuming the a2 is a with an exponent of 2 and a3 is a with an exponent of 3, the answer is 2a^6-2a^5
Step-by-step explanation: the number after the ^ means to the power of
I dont know the awnser sorry