Question

Me ajudem por favor !

Answer 1

4.

a) f(0) = (2*0)+1
f(0) = 1

b) f(2) = (2*(2²))+1
f(2) = 9

c) 3=2x²+1
2=2x²
x²=1
x= +1 e -1

d) f(3) = (2*(3²))+1
f(3) = 19
f(-3) = (2*(-3²))+1
f(-3) = 19

f(3) - f(-3) = 0