Question

Funças a
a) f(x) x ²4x+3​

Answer 1

Resposta:

a=1 b=4 c=3

b2-4ac

4ao quadrado 4×3

16-12=

4

×=4+raiz quadrada de 4 igual 2

×1=4+2÷2=-3

×2=4-2÷2=-1.