£24 call out charge + £14 for each half hour he spends on repair if a repair costs a costumer £66, how long did it take?

How many zeros does the function f(x)=4x3-x2+1 have

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 linear inequality is represented by the graph?