1 Select all of the following equations that represent lines that are perpendicular to: y - 7 Dy = 92 + 7 0-9x ty - 4 my = - 9x 4 6 1 Oy = -2+4 Dy = - 9x + 9 1 Oy = 20 - -9 09x + y = 8 Co 610 X C A FO- F4 F5 F6 F7 F8 F9 F10 F11 F1 S % & K 4 5 6 7 8 9 O R T Y U O P F G H KLet f(x) = 5x + 1 and g(x) = 3x7 -2x. Find and simplify (f o g) (x). After you find (f o g) (a) and simplify it, enter it in the box below. Be sure to click the "preview" button to ensure that the system interprets your expression as you intend. (fog)(x) - Submit Question Co 61OF Sunny 019 PrtSc X F4 C F5 F6 F7 F8 F9 F10 F11 F12 F3 # S % & 4 5 6 8 9 0 E R T Y U O P D F G H K C V B N M