La utilidad semanal de una tienda de videos, “P”, en miles de dólares, es una función del precio de alquiler de los videos, “x”. El polinomio que describe la utilidad es Px=0,2x2+1,5x-1,2. ¿Cuál será la utilidad semanal si se cobra 4,75 dólares por cada video (en dólares)?
¿Cuál debe ser el precio de alquiler por video para que la utilidad semanal sea de 950 dólares?

The cost c, in dollars, for bananas depends on the weight w,in pounds, of the bananas. this situation is represented by the function rule c=0.5w (graph each function rule.tell whether the graph is continuous or discrete)

The sum of two numbers is 58. the first number is 8 less than half the second number. let  c  represent the first number. let  drepresent the second number. which statements about solving for the two numbers are true? check all that apply.the equation    represents the sum of the two numbers.the equation    represents the sentence “the first number is 8 less than half the second number.”the equation    represents the relationship between the two numbers.the equation    represents the sum of the two numbers.the number  d  is 14.the number  c  is 44.the number  c  is 14.the number  d  is 44.

Two corresponding sides of two similar triangles are 3cm and 5cm. the area of the first triangle is 12cm^2. what is the area of the second triangle?