Which expression is equivalent to 3^-4*3^6

Match each function with its rate of growth or decay

This is my question~~ ( r ^ 4 - 2r ^ 3 - 23 r ^ 2 - 4r - 32)÷(r+4) ~~ i must use long division to solve it : / i was wondering if anyone world like to solve it. and if so, share step-by-step explanations! you! ❤

Given: m∠ adb = m∠cdb ad ≅ dc prove: m∠ bac = m∠bca lol