Answer:
for x < 0 x^2 - 2
for x
0 2x + 1
Step-by-step explanation:
Answer:
(x – h)2+ (y – k)2 = r2
Step-by-step explanation:
Its false because it can't repeat in a set.
Answer:

Step-by-step explanation:
k is a positive integer.
Consider an arithmetic sequence:

First, find n:

Now, find the sum of these 2k+1 terms:

Answer:
An employee would have to work 20 years in order to receive an annual pay of $45,000