Rectangle BBB is shown below. Nadia drew a scaled version of Rectangle BBB using a scale factor of \dfrac15 5
1
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start fraction, 1, divided by, 5, end fraction and labeled it Rectangle CCC.

What is the area of Rectangle CCC?

What is the average rate of change for this function for the interval from x=2 to x=4 ?

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 represents the factorization of the trinomial below? x^2+7x-30