Question

What is the value of 2f(1)+f(-1)-f(-3)?

Answer Choices:

1.) 8
2.) 9
3.) 0
4.) None of these

Answer 1

Answer:

2.)    9

Step-by-step explanation:

f(1) = 3; 2 f(1) = 2 * 3 = 6

f(- 1) = 3

f(- 3) = 0

2f(1)+f(-1)-f(-3) = 6 + 3 - 0 = 9