Only question 2 plz,

be Reader elp They Tools Fi Applications of Exponential functions Cont'd y = e" 4 = a" y' = (ex) (1') y'= (a" ) (Ina) (1' ) Q : Given fox)= 5# - determine where any horizontal tangentis are located ( x-value) : Given y = 5cosx . determine the equation of the tangent at x= TC