Which statements about the graph of y= tan x are true? Select all that apply. A The period of the function is π
B) The range of the function is ( - π/2, π/2)
C) The function has vertical asymptotes whenever sin x = 0.
D The function has zeros whenever cos x = 0.
E) The function is increasing everywhere in its domain.

What is the point-slope form of the equation for the line with a slope of -2 that passes through (1,4)?

Expresa commuter train leaves downtown sation and travels at a average speed of 55 miles per hour towards the north side sation, which is 50miles away. thirty minutes later, express commuter train #7 leaves north side and travels at a average speed of 35miles per hour towards downtown sation. at the moment the two trains pass each other, how far(in miles) is train #12 from the downtown sation and how long(in minutes) has the #12 train been traveling

Which is the focus of a parabola with equation y2=4x