Evaluate the piecewise-defined function at the indicated values. f(x) =

9x if x < −1
x + 2 if −1 ≤ x ≤ 3
(x − 3)2 if x > 3
f(−5) =
f(−1) =
f(2) =
f(3) =
f(6) =

Describe the possible echelon forms of the standard matrix for a linear transformation t where t: set of real numbers is onto.

Solve 3x-18=2y and 5x-6y=6 by elimination show work

This is a map of the mars exploration rover opportunity predicted landing site on mars. the scale is 1cm : 9.4km. what are the approximate measures of the actual length and width of the ellipse? i mostly need to know how to set it up : )