For the given function, find (a) the equation of the secant line through the points where x has the given values and (b) the equation of the tangent line when x has the first value y = f(x)=x²+x; x = -3, x= -1 a. The equation of the secant line is y=

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A: To find the numbers that are multiples of both 12 and 15 For this we have find LCM of 12 and 15

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