Find dy/dx by implicit differentiation. 8.x2 - 7y2 = 16 dy/dx =Find the points at which the graph of the equation has a vertical or horizontal tangent line. 36x2 + 25y2 + 360x 300y + 900 = 0 horizontal tangents (x, y) = ( I ) (smaller y-value) (x, y) = _ J ) (larger yvalue) vertical tangents (x, y) = ( 0, 10 X ) (smaller x-value) (x, y) = _ 4' )(largerx-value) Find dy/dx by Implicit differentiation. 'Iry = 13y + 1-1 The frequency Put a re truck siren heard by a stationary observer is given below, where 2 it represents the velocity ofthe accelerating re trud( in meters per second (see gure). [Round your answers to 3 decimal places). 2 132,200 F 324 t v (a) Find the rate of change of Fwith respect to v when the re truck is approaching at a velocity of 23 meters ner second (use v). E (h) Find the rate of change of leth resaect to it when the re truck Is moving away at a velocity of 23 meters per second (use +v). Use the graph of f and g. p(x) = f(x)g(x) q(x) = ( x) g ( x ) 10 8- 9 2 N 8 10 (a) Find p'(9). p'(9) = (b) Find q'(4). q'(4) =