Question

f(x)= x^2 - 2x find the following: f(6)=[ ], f(-3)=[ ], and finally, find f(-4)=[ ] thank you.

Answer 1

f(6) =6^2 - 2(6)

f(6) = 36 - 12

f(6) = 24

f(-3) = (-3)^2 - 2(-3)

f(-3) = 9+6

f(-3) = 15

f(-4) = (-4)^2 - 2(-4)

f(-4) = 16 + 8

f(-4) = 24

Explanation: