Calculate the volume of space between the two show work !

If f(x)=x^3 and g(x)=2x+7 when g(x)=-5

Galen sold tickets of his church’s carnival for a total of $2,820. children’s tickets cost $3 each and adult tickets cost $5 each. the number of children’s tickets sold was 30 more than 3 times the number of adult tickets slod. how many children’s ticket and how many adult tickets did he sell?

Simplify. (-2)^-3 a. -8 b. -1/8 c. 1/8 d. 8