Which of the following functions does not have an inverse that is a function? Group of answer choices

f(x)=−3x−1−−−−−√

f(x)=−(x+2)2−1,x≤−2

f(x)=2(x−1)2+3

f(x)=2x3+3

David must install fencing around a lot that is shaped like a right angle.the side of lot that runs east-west is 200 ft long.the side of the lot runs north-south is 125 ft long.calculate how many feet of fencing he will need to surround the entire lot.

Determine the difference: 3.2 × 1010 – 1.1 × 1010. write your answer in scientific notation.

What are the excluded values? m+5/mn+3m