ANSWERS: 1
  • How to do it: domain is valid range for x - anything. range is valid range for y. cos varies by -1 to 1 (-3 cos something) varies from -3 to 3 (-3 cos something)+4 varies from 1 to 7 period: how far you have to go in x before the function repeats. cos repeats every 360, so the function repeats every time 5x moves by 360, x moves by 72. midline average of max and min = 4. amplitude = half the difference between mion and max = 3

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