Question

Na funçao f(x)=x^2-3x+1, determine f(-2)

Answer 1

f (x) = x² - 3x + 1
f (-2) = ( - 2)² - 3 (-2) + 1
f (-2) = 4 + 6 + 1
f (-2) = 11

Answer 2

Olá Isabella !

f(x) = x² - 3x + 1

f(-2)= ( - 2)² - 3 • ( - 2) + 1

f(-2) = 4 + 6 + 1

f(-2) = 10 + 1

f(-2) = 11