Solve for the value of x. 6 ^ (- 2x) = 6 ^ (2 - 3x)

Don't know how to find x given these segment lengths

Inez has a phone card. the graph shows the number of minutes that remain on her phone card a certain number of days.

Consider the input and output values for f(x) = 2x - 3 and g(x) = 2x + 7. what is a reasonable explanation for different rules with different input values producing the same sequence?