Find f(-2) when f(t) = -2t + 3

A) -7
B) -1
C) 1
D) 7

Identify reflection rule on a coordinate plane that verifies that triangle a(-1,7), b(6,5), c(-2,2) and a’(-1,-7), b(6,-5), c’(-2,2) triangle are congruent when reflected over the x-axis