What is the rule for a geometric sequence whose first term is 6 and the common ratio is 2?

What is the difference between the points (4, 7) and (4, -5)? a. 0 units b. 2 units c. 4 units d. 12 units

If f(x)=-x^2+6x-1 and g(x)=3x^2-4x-1,find(f+g)(x)

Solving algebraic equations 2m+3=11