Question

Dada a função f(x)=x2+10x+25
Calcule:
1-f(-8). 2-F(-2). 3-F(-5)

Answer 1

f(x) = x^2 + 10x + 25

f(-8) = (-8)^2+10×(-8)+25
64-80+25 = -16+25 = 9

f(-2) = (-2)^2+10×(-2)+25
4-20+25 = -16+25 = 9

f(-5) = (-5)^2+10×(-5)+25
25-50+25 = -25+25 = 0