If f-1(x) has a point (3,12),
what is a point on f(x)?

For the rule of 78, for a 12-month period, the last term in the sequence is 12 and the series sums to 78. for an 10 month period, the last term is and the series sum is . for a 15 month period, the last term is and the series sum is . for a 20 month period, the last term is and the series sum is

How do you determine whether a relationship represented as as graph is linear or nonlinear

How do the definitions, properties, and postulates you've learned about line segments, parallel lines, and angles to define the shapes of polygons