What is the range of the following graph?
f(x)=-x^2-2x+3

If sin θ=24/25 and 0 less than or equal to θ less than or equal to π/2, find the exact value of tan 2θ. answers; a) -527/336 b) -336/527 c)7/24 d) 24/7

Identify an equation in point slope form for the line perpendicular to y=3x+5 that passes through (4,-1)

If f(x)=3x+1 and f^-1=x-1/3, then f^-1(7)=