Question

dada a função f(x) = 3x-5 calcule: a) f(0) b) f(-2) c) f(3) d) f(-1) e) f(5)

Answer 1

f(x)=3x-5

a)f(0)
____
f(x)=3x-5
f(0)=3(0)-5
f(0)=0-5
f(0)=-5

b)f(-2)
_____
f(x)=3x-5
f(-2)=3(-2)-5
f(-2)=-6-5
f(-2)=- 11

c)f(3)
____
f(x)=3x-5
f(3)=3(3)-5
f(3)=9-5
f(3)=4

d)f(-1)
____
f(x)=3x-5
f(-1)=3(-1)-5
f(-1)=-3-5
f(-1)=-8

e)f(5)
____
f(x)=3x-5
f(5)=3(5)-5
f(5)=15-5
f(5)=10