CHOAE SEUTROUA X RDEDAAA MAAAERA
Answer:
5A: Northwest Region: Rocky Mountains
2B: West Region: Great Basin Desert
4C: South West Region: Grand Canyon
3D: Midwest Region: Great Plains
6E: Southeast Region: Everglades
1F: Mid-Atlantic Region: Many bays and good harbors
7G: Northeast Region: Rocky coastline and small coastal islands
Explanation:
f(x) = x? & g(x) = 2x + 1
(f+g)(x) = f(x) + g(x)
= (x2) + (2x + 1)
= x2 + 2x + 1,
(f + g) (x) = x2 + 2x + 1
(f-g)(x) = f(x) - g(x)
= (x2) - (2x + 1)