Find the range of the function f(x) = 4x -1 for the domain {-1, 0, 1, 2, 3}.

Question

a. {-5, -3, 0, 7, 11}
b. {-5, -4, -3, -2, -1}
c. {-11, -7, -3, 1, 5}
d. {-5, -1, 3, 7, 11}

Answer 1

-5
-1
3
7
11

for example when x = -1
f(-1) = 4(-1)-1
= -4-1 = -5