Determine if the two functions f and g are inverses of each other algebraically, if not, why not? f(x) = 7x^3 + 4; g(x) = 3^x-7/4

When 142 is added to a number the result is 64 more then 3 times the number. option 35 37 39 41

What is the axis of symmetry of the function f(x)=-(x+ 9)(x-21)

(10. in the figure, a aabc is drawn tocircumscribe a circle of radius 3 cm ,such thatthe segments bd and dc are respectively oflength 6 cm and 9 cm. find the length ofsides ab and ac.