6- 4x - 2 + x a. 1 b. 4 + x c. 4 - 3x d. 3 - 4x

Describe the 2 algebraic methods you can use to find the zeros of the function f(t)=-16t^2+400.

Lin is writing an equation to model the proportional relationship between y, the total cost in dollars of downloading videos from a website, and x, the number of videos downloaded. she knows that the total cost to download 3 videos was $12. her work to find the equation is shown below. joylin’s work step 1 k= 3/12= 0.25 step 2 y= 0.25x where did joylin make her first error?

Which of the following is the graph of y= square root -x-3