How do you use the product rule to find the derivative of y=x√⋅cos(x)y=sqrt(x)*cos(x) ?

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?

Solve the equation: x - 9 = -6 + 5 a. 21 b. 7 c. 14 d. 2

How many square centimeters of wrapping paper will be used to wrap the shoe box?