Pls. see attachment. I created that table for easy monitoring and understanding.
Yellow cells are sums that are even.
Orange cell are sums that are multiples of 3.
Yellow cells w/ orange texts are sums that are both even and multiples of 3.
Answer:
f(x) + g(x) = 3x - 2 + 2x + 1
(f + g)(x) = 5x - 1
Answer:
b.
It's too short. Write at least 20 characters to explain it well
Year 1: 7lbs x 3years= 21lbs
Year 2: 21lbs x 3years = 63lbs