A graph of a quadratic function is shown on the grid.

Which coordinates bets represent the vertex of the graph?

(1, -2)

(-0.4, 0)

(0, -1)

(2.4, 0)

1c) the number 131 is a term in the sequence defined by the explicit rule f(n)=5n-4. which term in the sequence is 131? 2a) write the first four terms of the function f(n)=n^2-1 2b) what is the 10th term of the sequence defined by the explicit rule f(n)=n^2-1 2c) the number 224 is a term in the sequence defined by the explicit rule f(n)=n^2-1. which term in the sequence is 224?