The graph of the function f(x) is shown below.

when f(x) = 0, x =.
a. -1.2
b. -1.8
c. 0
d. 2

How do you find the area of this triangle.

What is the frequency of the sinusoidal graph?

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?