Question

I will medal and fan if you help,
The range of the function f(k) = k2 + 2k + 1 is {25, 64}. What is the function’s domain?

Answer 1

@ajo21

Answer 2

{5, 8}



{-5, -8}



{3, 8}



{4, 7}



{4, 8}
these are the answers

Answer 3

@haleyelizabeth2017

Answer 4

K2+2k+1=(k+1)^2
So when range (25,64)
Then.. K+1=5 or k+1=8
K=4 or k=7
Do domain (4,7)

Answer 5

thanks

Answer 6

Welcome