math
posted by Britney .
Find the absolute maximum value and the absolute minimum value, if any, of the function.
g(x)=x^2+9x^2/3 on [7,8]

I assume you mean x^2 + 9x^(2/3) or the formula is a bit odd.
f(7) = 81.93
f(8) = 100
f(0) = 0, and f(x) >=0 for all x
absolute min is thus 0
absolute max on [7,8] = 100