Which of the following is the correct vertex form of the quadratic f(x)=x²+2x-5 ?

A fx) = (x+1)^2 + 6
B f(x)=(x-1)^2 -6
C f(x) = (x + 1)²-6
D f(x) = (x - 1)^2+6

Adriver from the university of florida women’s swimming and diving team is competing in the in ncaa zone b championships

Boris needs to buy plastic spoons. brand a has a box 42 spoons for $2.37. brand b has a box of 72 spoons for $3.57. find the unit price for each brand. then state which brand is the better buy based on the unit price. round your answer to the nearest cent.

What is the range of the function? f(x)=-2|x+1|? a. all real numbers. b. all real numbers less than or equal to 0. c. all real numbers less than or equal to 1. d. all real numbers greater than or equal to 1