Which mathematical situation can be graphed using a step function?

each output is the place value of the ones digit for an input.

each output is the remainder when an input is divided by 5.

each output is the result of determining the absolute value of the input.

each output is the result of rounding an input to the nearest ten.

Which of these is true of the cytoplasm of an unfertilized egg? a. it is an unevenly distributed mixture of mrna, proteins, organelles, and other substances. b. it does not contain substances that are important in directing development. c. these substances are supplied by the sperm. d. it does not contain substances that are important in directing development. e. development is directed solely by the surrounding cells. f. it is a homogeneous mixture of mrna, proteins, organelles, and other substances. g. it does not contain substances that are important in directing development. h. these substances are produced by the dna of the fertilized zygote.