Question

5) usando a função de(x)=5x-4,determine:A) f(3)B) f(-2)C) f(1 )D) f(-1)

Answer 1

f(x) = 5x - 4

a) f(3)
f(3) = 5.3 - 4 = 15 - 4 = 11

b) f(-2)
f(-2) = 5.(-2) - 4 = -10 - 4 = -14

c) f(1)
f(1) = 5.1 - 4 = 5 - 4 = 1

d) f(-1)
f(-1) = 5.(-1) -4 = -5 - 4 = -9

bons estudos!!