Question

Dada a função F: R definida por f(x)=2x²-3x+11. Calcule f(-5)

Answer 1

$f(-5)=2*(-5)^{2} -3*(-5)+11\\f(-5)=2*25+15-11\\f(-5)=50+4\\f(-5)=54$

Answer 2

f(-5):

f(-5)= 2(-5)²-3*(-5)+11

f(-5)= 2*25+15+11

f(-5)= 50+15+11

f(-5)= 65+11

f(-5)= 76

Resposta → S=  {(-5, 76)}