Question

dada a função f(x)=5x^-4x+1,determine: a)f(1) b) f(√2) c)f(0) d)f(-2)

Answer 1

a)f(1)
5.(1)²-4.(1)+1
5-4+1
2

b)f(√2)
5.(√2)²-4.(√2)+1
10-4√2+1
11-4√2

c)f(0)
5.(0)²-4.(0)+1
0-0+1
1

d)f(-2)
5.(-2)²-4.(-2)+1
20+8+1
29