Question

Dada a Funçaõ do 1° Grau f(x) = 1 - 5 x , Determine

a-) f(x)=0

b-) f(-1)

c-) f(1/5)

d-)f(-1/5)


VALENDO 15 PONTOS , ME AJUDA AE GALERA <3

Answer 1

a)
f(0) = 1 - 5 * 0
f(0) = 1 -0
f(0) = 1

b)
f(-1)= 1 - 5 *(-1)
f(-1)= 1 +5
f(-1) = 6

c)
f(1/5)= 1 - 5 * 1/5
f(1/5) = 1 - 5/5
f(1/5)= 1 - 1
f(1/5)= 0

d)
f(-1/5)= 1 - 5 * (-1/5)
f(-1/5) = 1 + 5/5
f(-1/5) = 1 + 1
f(-1/5) = 2