If cos x cos (pi/7) + sin x sin (pi/7)= - pi2/2 then x can equal: _

Find the missing factor. 7s2 + 25s + 12 = (s + 3)( ).

Asap describe the transformations required to obtain the graph of the function f(x) from the graph of the function g(x). f(x)=-5.8sin x. g(x)=sin x. a: vertical stretch by a factor of 5.8, reflection across y-axis. b: vertical stretch by a factor of 5.8,reflection across x-axis. c: horizontal stretch by a factor of 5.8, reflection across x-axis. d: horizontal stretch by a factor of 5.8 reflection across y-axis.

In a graph with several intervals o data how does a constant interval appear? what type of scenario produces a constant interval?