Answer:
67
Step-by-step explanation:
With the information of f(2) = 22-5, you can assume the equation will be f(x) = 11x-5. Using this, you can calculate f(5) by doing 11(5)-5, which is 50. 22-5 is 17, so 50+17=67
22-5=f(2)
10.5-2.5=f(1)
52.5-10.5=f(5)
22-5+52.5-10.5
17+42=69
69
