Question

Podem por favor me ajudar?​

Answer 1

1)a) 5^2=25

b)$\frac{5}{1} ^-1= \frac{1}{5} ^1= \frac{1}{5}$

c)1

2)a)f(2)=

$2^{2} -5.(2)+4\\4 -10+4\\-2$

b)f(-1)=(-1)

$(-1)^{2} -5x+4\\1-5x+4$

c)f(0)=1-5x+4