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

Asequence has its first term equal to 4, and each term of the sequence is obtained by adding 2 to the previous term. if f(n) represents the nth term of the sequence, which of the following recursive functions best defines this sequence? (1 point) f(1) = 2 and f(n) = f(n − 1) + 4; n > 1 f(1) = 4 and f(n) = f(n − 1) + 2n; n > 1 f(1) = 2 and f(n) = f(n − 1) + 4n; n > 1 f(1) = 4 and f(n) = f(n − 1) + 2; n > 1 i will award !

Solve the following pair of equations for x and y: ax/b_ by /a= a +b; ax - by = 2ab

Factor the polynomial. b^2 + 4b + 4