Which of the following is not an identity?
A. 2sin^2-X- Sinx=1
O B. sin^2x+ tan²x + cos^2x = sec^2x
O C. 2cos^2x-1 = 1 - 2 sin²x
O D. secx cscx(tanx+ cotx) = sec^2x + csc^2x

Give the equations of two different lines that are perpendicular to the line 3x + 4y = 7.

The graph shown is the graph of which function?

The graph of a function f(x)=(x+2)(x-4). which describes all of the values for which the graph is negative and increasing? all real values of x where x< -2 all real values of x where -2