Problema Solution
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Consider that the age x is of a unicorn of human equivalent years can be given by the formula f(x)=-0.001518x^4+0.097326x^3-1.3367x^2+12.46x+2.914
When a unicorn is 2.5 years old, what age is this in human equivalent years? How old will this unicorn be in human years when it is 12?
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x = 2.5
f(2.5) = -0.001518*2.5^4+0.097326*2.5^3-1.3367*2.5^2+12.46*2.5+2.914 = 27.17
When a unicorn is 2.5 years old, it's 27 in human equivalent years
x =12
f(12) = 96.65
When a unicorn is 12 years old, it's 96.65 in human equivalent years