Respuesta :

Answer:

combined variation          

Step-by-step explanation:

we have

[tex]y=cx^{2}[/tex]

we know that

a) in the interval ----> (0,∞)

If the value of x increase the value of y increase

so

Is a direct variation

b) in the interval ----> (-∞,0)

If the value of x increase the value of y decrease

so

Is a inverse variation

therefore

Is a combined variation


Answer:

y = cx^2 is a direct variation.

Step-by-step explanation:

Hope it helps.