Relacion lineal negativa ejemplos de situaciones reales ?
alguien porfavor necesito ayuda

Each person in an it department of 25 people works on at least one of 3 major projects: system security, program implementation, platform development. 10 people work on system security, 13 work on program implementation, and 12 work on platform development. 4 people work on system security and platform development, 5 people work on program implementation and platform development, and 2 people work on all three projects. how many people work on system security and program implementation?

What is the axis of symmetry of the function f(x)=-(x+ 9)(x-21)

Drag the tiles to the correct boxes to complete the pairs. label each function. as even , odd, or neither.