Enter the correct 4 digit code (no spaces)

Triangle abc is reflected over the line y=x triangle abc has points (-6,-,-1) and (-5,-6) what is the c coordinate

Asequence is defined recursively by the formula  f(n  +  1)  =  f(n)  +  3 . the first term of the sequence is  –4. what is the next term in the sequence? –7–117

If c(x) = 4x – 2 and d(x) = x2 + 5x, what is (cxd)(x)