mparra4761
30.03.2020 •
Mathematics
The base of a rectangle lies on the x-axis, while the upper two vertices lie on the parabola y = 13 − x2. Suppose that the coordinates of the upper right vertex of the rectangle are (x, y). Express the area of the rectangle as a function of x.
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Ответ:
Area of Rectangle =
Step-by-step explanation:
Rectangle two vertices lie on x axis ; two vertices lie on parabola .
Supposing coordinates of upper right vertex of rectangle are P =
Due to parabola symmetry, width of rectangle is twice the distance horizontal (X) axis distance between Y axis & point P.
Width of rectangle =
Length of rectangle = ;
Area of Rectangle = Length x Width
=
=
=
Ответ:
Step-by-step explanation:
x is all real numbers