Which of the following describes the graph of {x|x<1}u{x|x>4}

Which sum or difference identity would you use to verify that cos (180° - ∅) = -cos ∅? a. sin (α -β) = sin α cos β – cos α sin β b. cos (α -β) = cos α cos β – sin α sin β c. cos (α -β) = cos α cos β + sin α sin β d. sin (α + β) = sin α cos β + cos α sin β

The square root of 9x plus 7 plus the square rot of 2x equall to 7

What is the solution to the division problem below x3+x2-11x+4/x+4