Question

(5) Dada a função f(x) = 2* – 1, determine:
a) f(3) =
b) f(2)=
c) f(1) =
d) f(0) =
e) f(-1) =
f) f(-2) =​

Answer 1

f(x) = 2ˣ -1

a) f(3) = 2³ -1 = 7

b) f(2)= 2² -1 = 4

c) f(1) =. 2¹ -1 = 2

d) f(0) = 0²-1 = -1

e) f(-1) = 2-¹ -1 = 1/2 -1 = -1/2

f) f(-2) = 2-² -1 = 1/4 - 1 = -3/4