Which statement could be used to explain why the function h(x) = x^3 has an inverse relation that is also a function?

A=1/2h(b1+b2) is the formula for the area of a a trapezoid b regular polygon c triangle d rhombus or kite

Pls! does anybody know a shortcut for answering these types of questions in the future?

The ratios 3: 9, 4: 12, 5: 15, and 6: 18 are a pattern of equivalent ratios in the ratio table. which is another ratio in this pattern?