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Delayed checkpoint: check retention: original cases with explanations after your first response.
Paper packet. Every task here also exists on screen, where it is checked automatically; answers written on paper are not assessed by Nydus. When you are back at a device, enter your answers there.
Check composition, an integer inequality and a quadratic sign restriction after time away from the worked lessons. Preserve domains before computing and distinguish a requested count from a boundary value.
If f(x)=3x+7, for what x does f(f(x))=16? Enter a fraction.
Answer:
If (x-2)(x+5)>0 and x is an integer between -7 and 4 inclusive, how many values qualify?
Answer:
What is the least integer x satisfying 5-3x< -10?
Answer:
Use this algebra retention sample to choose the next worked lesson; repeated exposure is review and does not predict an official score.