Question

Determine o f (2) na função f(x)= 2x2 + x - 2.
a) 2
b) -2
c) 4
d) 8
e) 12

Answer 1

letra c) 4

F ( x ) = 2 × 2 + x - 2

F ( 2 ) = 2 × 2 + 2 - 2

F ( 2 ) = 4 + 2 - 2

F ( 2 ) = 4