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• which statement describes the graph of this polynomial function? f (x) = x superscript 4 baseline + x cubed minus 2 x squared the graph crosses the x-axis at x = 2 and x = –1 and touches the x-axis at x = 0. the graph touches the x-axis at x = 2 and x = –1 and crosses the x-axis at x = 0. the graph crosses the x-axis at x = –2 and x = 1 and touches the x-axis at x = 0. the graph touches the x-axis at x = –2 and x = 1 and crosses the x-axis at x = 0.
  
• look at the diagram below. it shows two solutions separated by a partially permeable membrane. which number arrow shows the direction in which water molecules will move?
  
• what type of data is the result of each of the following lines of code? str(2.34) int('2') float(2)
  
• at which location would an object’s weight be the greatest? on pluto on earth on the sun on the moon
  
• the closeness of particles of gas and their low speeds allow intermolecular forces to become important at certain pressures and temperatures. which best describes this statement? this is a limitation of the kinetic-molecular theory. this is a postulate of the kinetic-molecular theory. this describes ideal gas behavior using the kinetic-molecular theory. this describes ideal gas behavior without the kinetic-molecular theory.
  
• fifty-five percent of the members of the junior varsity swim team wear glasses. of the team members who do not wear glasses, 30 percent of them are in the 10th grade. to the nearest whole percent, what is the probability that a randomly chosen member of the jv swim team does not wear glasses and is in the 10th grade? 14% 17% 55% 67%
  
• when can a theory be modified if a new type of technology allows for new observations that raise new questions? immediately, while the questions about the theory are being asked after new hypotheses related to the theory are tested in experiments only after the new observations disprove all parts of the theory while scientists begin to think about how the theory could improve
  
• having a better memory for items at the beginning of a list demonstrates the ________, whereas having a better memory for items at the end of a list demonstrates the ________.
  
• what causes the arrows to move in this direction? earth rotating air moving to the poles earth’s equator wind moving over short distances
  
• which biochemical process splits a six-carbon glucose into two three-carbon pyruvate molecules?