Which equation represents a line that is perpendicular to the y-axis? A. y= 9x
B. x= 15y
C. y = -8
D. x= -17

Let the closed interval [a , b] be the domain of function f. the domain of f(x - 3) is given by (a) the open interval (a , b) (b) the closed interval [a , b] (c) the closed interval [a - 3 , b - 3] (d) the closed interval [a + 3 , b + 3]

Select a graph that have an equation with a < 0

Cot(90° − x) = 1 the value of x that satisfies this equation is °. a. 60 b. 135 c. 225 d. 315