F(x)=1/3x+1 and g(x)=f(6x) write the function for g(x)

(01.04 mc) an ice sculpture is melting because of heat. assuming its height changes bynegative 5 over 32m every hour, what will be the change in height after 4 hours?

Find the indicated value, where g(t) = t^2-t and f(x)= 1+x a. -2 b. 0 c. 2 d. 8

When i add money am i supposed to make it like this 7+12 or 7.00+12.00 because i got 19 dollars for my answer