Question: 1) Determine what this function is: f(x)= cos(e^x + e^-x) +x^4 odd even both even and odd an exponential function neither even or odd 2)

1) Determine what this function is:

f(x)= cos(e^x + e^-x) +x^4

  • odd
  • even
  • both even and odd
  • an exponential function
  • neither even or odd

2) the half life of carbon is 12 days. there are 16g present initially. when will there be 2g remaining?

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