**Q: Find the derivative of function, then find the equation of the line that is tangent to its graph for the specified value x=c**

**f(x) = x²; c=1**

**Q: Find the derivative of function, then find the equation of the line that is tangent to its graph for the specified value x=c**

**f(x) = x²; c=1**

**Q: Let f(x) = -2/x . Find the equation of the tangent line when x = -1.**

**Q: Let f(x)= 3sin ^{2}x + 4cos^{3}x. Determine where the tangent line is horizontal.**

**Q: Find the point(s) on the graph of the function f(x) = (x² + 6)(x – 5) where the slope of the tangent line is -2.**

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