SashaJoely
SashaJoely SashaJoely
  • 22-09-2018
  • Mathematics
contestada

if f(n) =(n-1)^2+3n which statement is true?
1) f(3) = -2
2) f(-2) = 3
3) f(-2) = -15
4) f(-15) = -2

if fn n123n which statement is true 1 f3 2 2 f2 3 3 f2 15 4 f15 2 class=

Respuesta :

jjksue jjksue
  • 22-09-2018
f(-2)=(-2-1)^2+3(-2)
=9-6
=3

Hence, ans is 2
Answer Link
MrRoyal
MrRoyal MrRoyal
  • 02-06-2022

The true statement about the function f(n) = (n - 1)^2 + 3n is f(-2) = 3

How to determine the true statement?

The function is given as:

f(n) = (n - 1)^2 + 3n

Next, we test the options.

When n = 3, we have:

f(3) = (3 - 1)^2 + 3 * 3

f(3) = 13 -- this is false

f(-2) = (-2 - 1)^2 + 3 * -2

f(-2) = 3 -- this is true

Hence, the true statement is f(-2) = 3

Read more about functions at:

https://brainly.com/question/1851758

#SPJ2

Answer Link

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