Question: 21 and 22 please ( son 20.3) E Jiband at erdor 21. Solve for the x-intercepts (zeros) of the function below given in factored form,

21 and 22 please

( son 20.3) E Jiband at erdor 21. Solve for the x-intercepts (zeros) of the function below given in factored form, and then plot them. You don't need to graph the entire parabola of the quadratic function. (1/2 point) f(x) : 2x(4x + 8) -8 -1 2 -10 (Lesson 20.3) 22. The height of a javelin after it has left the hand of the thrower can be modeled by the function h = -3(4t + 2)(t - 4), where h is the height of the javelin and t is the time in seconds, Determine how many seconds the javelin is in the air for. Use any strategy of your choice. (1/2 point)

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