Question

If x is an even number, the function f(x) = 2x − 1 gives an odd number. Identify the set of odd numbers corresponding to this set of even numbers: {0, 2, 4, 6, 8}.
A; {3, 5, 7, 9, 11}

B; {-1, 3, 7, 11, 15}

C; {1, 3, 5, 9, 11}

D; {5, 7, 9, 11, 13}

Answer 1

Plugging in the given values:-

2(0) - 1 = -1
2(2) - 1 = 3
2(4) - 1 = 7
2(6) - 1 = 11
2(8) - 1 = 15


Its choice B