Please answer ASAP : how can you tell whether the graph of a function of form f(x) = ab^x, where a > 0 will increase or decrease from left to right?

Solve the system by the elimination method. 2x + y - 4 = 0 2x - y - 4 = 0 when you eliminate y, what is the resulting equation? a. x = 0 b.4x = -8 c.4x = 8

Aregular pentagon with a perimeter of 21 inches is dilated by a scale factor of 5/3 to create a new pentagon. what is the perimeter of the new pentagon?

Solve each equation using the quadratic formula. find the exact solutions. 6n^2 + 4n - 11