Sabemos que os pontos (-2, 6) e (4, 0) pertencem ao gráfico de uma função afim, dada por f(x) = ax + b, com a e b constantes reais. É correto afirmar que: (A) a + b = 5. (B) f(x) é uma função decrescente. (C) f(x) é uma função crescente. (D) f(-1) = 3.

The table below shows the height of a ball  x  seconds after being kicked.  what values, rounded to the nearest whole number, complete the quadratic regression equation that models the data? f(x)  =  x2  +  x  +  0based on the regression equation and rounded to the nearest whole number, what is the estimated height after 0.25 seconds?   feet

The function f(x) = 14,600(1.1)* represents the population of a town x years after it was established. what was the original population of the town?

Lesson 9-3 for items 8-10, a square is drawn in the coordinate plane, with vertices as shown in the diagram. then the square is reflected across the x-axis. -2 4 8. the function that describes the reflection is (x, y) - a. (x, y-3). b. (x, y-6). c. (-x, y). d. (x,- y).