Can someone please help me, will medal & fan?!

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}

Question

Can someone please help me, will medal & fan?!

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}

anonymous · Answer

The answer is B

anonymous · Answer

Thank you! :) @Colt45AK

anonymous · Answer

What is the range of the function f(x) = -10x for the domain {-4, -2, 0, 2, 4}?

 
A.  {40, 20, 0, -20, -30}

B.  {0, 20, 40, 60, 80}

C. {-4, -2, 0, 2, 4}

D.  {-40, -20, 0, 20, 40}

anonymous · Answer

Can you help me with this on please? @Colt45AK

anonymous · Answer

Sorry I didn't see the notification but the answer is A