Question

Dada a funcao f(x)= x2-5x+4 determine

a) f(2)
b) f(-1)

c) f(0)

Answer 1

a) f(2)= x2-5x+4

2²-5.2+4

4-10+4=-2

b) f(-1)= x2-5x+4

(-1)²-5.-(1)+4

1+5+4=10

c) f(0)= x2-5x+4

0²-5.0+4

0-5+4=-1