Question

si p(x) =3x2+7 hallar el valor de p (-5)

Answer 1

solucion
p(x)=3x^2+7
cuando p=(-5) entonces

p(-5)=3x^2+7
p(-5)=3(-5)^2+7
p(-5)=3(25)+7
p(-5)=75+7
p(-5)=82

el.valor es 82

saludos