document.write( "Question 494725: 10. Essay; show all work. Consider that the age, x, of a unicorn in human equivalent years can be given by the formula f(x) = - 0.001518x4 + 0.067326x3 – 1.4367x2 + 12.46x + 2.914. When a unicorn is 2.5 years old, what is its age in human equivalent years? What about when it is 12 years old?
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Algebra.Com's Answer #335779 by richard1234(7193)\"\" \"About 
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Replace x with 2.5 and evaluate (preferably using a calculator) to find the age in human-equivalent years. Similarly, replace x with 12. \n" ); document.write( "
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