PLEASE HELP
Evaluate the function f(x) = (2x)2 - 1 when x = 2 and when x = -1

Which is the graph of the function y=2(4)^x

Ateacher noticed 5/8 of the students were wearing either blue shorts or white shorts. write two different ways this could be done.

(05.08a)triangle abc is transformed to similar triangle a′b′c′ below: a coordinate plane is shown. triangle abc has vertices a at 2 comma 6, b at 2 comma 4, and c at 4 comma 4. triangle a prime b prime c prime has vertices a prime at 1 comma 3, b prime at 1 comma 2, and c prime at 2 comma 2. what is the scale factor of dilation? 1 over 2 1 over 3 1 over 4 1 over 5