Question

Sendo dada a função f(x) definida por f(x)2x+1 , calcule:
a) f(-2)=
b) f(-1)=
c) f(0)=
d) f(1)=
e) f(2)=

Answer 1

f(x) = 2x + 1

a) f(-2) = 2(-2) + 1

f(-2) = - 4 + 1

f(-2) = - 3

b) f(-1) = 2(-1) + 1

f(-1) = - 2 + 1

f(-1) = - 1

c) f(0) = 2(0) + 1

f(0) = 0 + 1

f(0) = 1

d) f(1) = 2(1) + 1

f(1) = 2 + 1

f(1) = 3

e) f(2) = 2(2) + 1

f(2) = 4 + 1

f(2) = 5

Answer 2

a)2.-2+1=-3

b)2.-1+1=-1

c)2.0+1=1

d)2.1+1=3

e)2.2+1=5