Select the angle that correctly completes the law of cosines for this triangle.
7^2+25^2-2(7)(25)cos__=24^2

The graph of f(x) is obtained by reflecting the graph of f(x)=-3|x| over the x-axis. which equation describes f(x)? a) f(x)=3|x| b) f(x)=|x+3| c) f(x)=-3|x| d) f(x) = - |x+3|