Find f(3) for the following: f(x) = x² + 3

In the triangle abc< angle c is a right angle. find the value of the trig function indicated. find tan a if a =12, b=5 a. 13/12 b. 12/13 c. 5/12 d.12/5

Geometry answer picture question pls . reason and statements

Which of the following graphs represents the function f(x) = 2^x