trash16 trash16

05-01-2020
Mathematics

contestada

If f(n) = (2n + 3)2 – 2n, which statement is true?
1. f(3) = 75
2. f(2)= 619
3. f(5) = 16
4. f(-4)= -3

Respuesta :

Eduard22sly Eduard22sly

05-01-2020

Answer: f(5) = 16

Step-by-step explanation:

f(n) = (2n + 3)2 – 2n

f(5) = ((2 x 5) + 3)2 – 2 x 5

f(5) = (10 + 3)2 – 10

f(5) = (13)2 – 10

f(5) = 26 – 10

f(5) = 16

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