Question: f ( x )=5 e x cos x ffcos x 2+sin x For what values of x in [0, 21] does the graph of y

f(x)=5e

xcosx

$f(x)=5excosx \f\fcos x 2+sin x For what values of x in [0,$ 21] does the graph of y = have a horizontal tangent? List

$the smaller value of x first. x= \\\\x= An object with weight$ W is dragged along a horizontal plane by a force acting along

a rope attached to the object. If the rope makes an W

$W' W = 50 lb and ,u = .6. \\\\ (a) Find$

\f\fcos x 2+sin x For what values of x in [0, 21] does the graph of y = have a horizontal tangent? List the smaller value of x first. x= \\\\x= An object with weight W is dragged along a horizontal plane by a force acting along a rope attached to the object. If the rope makes an W W' W = 50 lb and ,u = .6. \\\\ (a) Find the rate of change of F with respect to t.\\\\ (b) When is this rate of change equal to zero? Round your answer to the nearest hundredth.\\\\ angle t with the plane, then the magnitude of the force is F = where p is a constant called the coefficient of friction. Let F'(t) = \\\\ t = rad.\\\\ \f\f

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