Halla el vertice de cada parabola .luego, elabora una tabla de valores y la grafica correspondiente
f(x)=x2+x2
f(x)=x2-2x
f(x)=x2-6x

The physical fitness of an athlete is often measured by how much oxygen the athlete takes in (which is recorded in milliliters per kilogram, ml/kg). the mean maximum oxygen uptake for elite athletes has been found to be 60 with a standard deviation of 7.2. assume that the distribution is approximately normal.

The triangles are similar. what is the value of x? show your work.

David is spreading mulch on a triangular area of his flower bed. the coordinates of the vertices of the area are (1, 3), (9, 3), and (4, 6). what is the area of the triangle if each square has an area of 3 square feet?