Given f () = 2x2 + 4x - 3, find the equation of the tangent line of f at the point where I = 4.
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The function ƒ is defined by ƒ(x) = (x + 3)(x + 1). the graph of ƒ in the xy-plane is a parabola. which interval contains the x-coordinate of the vertex of the graph of ƒ?

The trigonometric ratios sine and secant are reciprocals of each other

Write the expression 7x^3-28xy^2 as the product of 3 factors