Consider this quadratic function: f(x) = 3(x + 1)2 – 27.
Which two equations also represent function f?
Of(x) = 3x2 + 2x - 26
f(x) = 3x2 + 6x - 24
f(x) = 3x2 - 24
f(x) = 3(x + 4)(x - 2)
f(x) = (3x + 4)(x - 8)
f(x) = 3(x + 12)(x - 2)

If 90° < θ < 180° and cotθ = -1/3, then cscθ =

Identify which functions are linear or non-linear. a. f(x) = x2 + 1 b. f(x) = 2x + 5 c. f(x) = x 2 + 3 d. f(x) = 3 x + 7 e. f(x) = 4x + 10 2 - 5

Astuntman jumping off a 20-m-high building is modeled by the equation h=20-5t^2, where t is the same in seconds. a high-speed camera is ready to film him between 15m and 10m above the ground. for which interval of time should the camera film him?