Answer:

Step-by-step explanation:
General arithmetic sequence formula: 
where
= first term, and d = common difference.
The first term is -8
And the common difference appears to be - 7 as 7 is subtracted to get to the next term. Ex. -8 - 7 = -15, -15 - 7 = - 22 and so on.
To get the explicit formula of the sequence we simply plug in the values of a1 and d the general arithmetic sequence formula
General formula: 
We have
and d = -7
So the formula to find the nth term would be

Answer: x² + 3x + 5
<u>Step-by-step explanation:</u>
f(x) = 3x + 5 g(x) = x²
(f + g)(x) = f(x) + g(x)
= 3x + 5 + x²
= x² + 3x + 5
Answer:
yes
Step-by-step explanation:
and no
No, the standard form for a straight line is in the form:
ax + by + c = 0
Since the 10 is on the LHS, you'd need to move it to the RHS to fit the straight line form and then moving everything to the LHS.
0 = 5x - 6y - 10
5x - 6y - 10 = 0 is the standard form.
C since they are reflected