Question

E9. Så se reprezinte grafic funcția f:RR in cazul: a) f(x)= x² - 4x - 12; b) f(x)= -x2 + 2x + 24​

Answer 1

a)

f(1)=1-4-12=-3-12=-15 A(1;-15)

f(2)=4-8-12=-4-12=-16 B(2;-16)

b) f(1)=1+2+24=27 A(1;27)

f(2)= 4+4+24=32 B(2;32)