Question

a) f(x)=2ײ+3×-6

F(2)=

F(-3)

F(3)

Answer 1

f(2) = 2 . 2² + 3 . 2 - 6 = 2 . 4 + 6 - 6 = 8

f(-3) = 2 . (-3)² + 3 . (-3) - 6 = 2 . 9 - 9 - 6 = 18 - 15 = 3

f(3) = 2 . 3² + 3 . 3 - 6 = 2 . 9 + 9 - 6 = 18 + 3 = 21