Question

Please help........................................

Answer 1

Solve the equation for both -1 and 1 first.

50(1/2)^-1 = 100

50(1/2)^1 = 25

Now subtract the two answers and divide by 2 ( -1 to 1 is 2)

75/2 = 37.5

Because the answer got smaller from -1 to 1, the change would be negative.

The rate of change would be -37.5