Ihave 2 questions that i need with. you.

G(x) = 2 sin(2x - π) + 4. using complete sentences, explain how to find the minimum value for the function.

Which of the following parabolas opens down?

Solve: 25 points find the fifth term of an increasing geometric progression if the first term is equal to 7−3 √5 and each term (starting with the second) is equal to the difference of the term following it and the term preceding it.