Question

Tolong bantu jawab dengan cara yang mudah di pahami . no 2

Answer 1

F(x) = x²-2x
a. f(-3) = (-3)² - 2(-3) = 9 + 6 = 15
 f(-2) = (-2)² - 2(-2) = 4 + 4 = 8
f(-1) = (-1) ² - 2 (-1) = 1+2 = 3
f(0) = 0
f(1) = 1² - 2.1 = -1
f(2) = 2²-2.2 = 0
f(3) = 3² - 2.3 = 3
daerah hasilnya { -1,0,3,8,15}
b.  -3
c. f(-10) = (-10)² - 2.(-10) = 100 + 20 = 120