3)solve f(x) for the given domain. f(x) = x 2 + 3x - 2 f(-1) = a)-4 b)-6 c)2

How do i simply this expression (quadratic formula basis) on a ti-84 or normal calculator?

Suppose you are choosing a 6-digit personal access code. this code is made up of 4 digits chosen from 1 to 9, followed by 2 letters chosen from a to z. any of these digits or letters can be repeated. find the total number of personal access codes that can be formed. 492,804 341,172 39,917,124 4,435,236

The approximate line of best fit for the given data points, y = −2x − 2, is shown on the graph.which is the residual value when x = –2? a)–2 b)–1 c)1 d)2