Question

Dada a função y=x²-2x determine
A) f(1,2)
B)f(2)

Answer 1

Dada a função y=x²-2x determine
y = f(x)

A) f(1,2)
y = x² - 2x
f(1,2) = (1,2)² - 2(1,2)
f(1,2) = 1,44 - 2,4
f(1,2) = - 0,96





B)f(2)

y = x² - 2x
f(2) = (2)² - 2(2)
f(2) = + 4  - 4
f(2) = 0