The sequence is arithmetic since the common difference that is equal
d=11-15=7-11=-4
a(n) = a1 +(n-1)d
a1=15
=
a(n) = 15+(n-1)-4
Answer:
Step-by-step explanation:
2>-1
so solution is x>2
ANSWER



EXPLANATION
The given quadratic equation is:

We rewrite in the standard quadratic equation form to obtain,

Comparing this to the general standard quadratic equation.

We have my



i really thinks its 6.9*10 to the power of 2