Answer:
image attached with answer
Step-by-step explanation:
Answer: f(5) = 16
Step-by-step explanation:
f(n) = (2n + 3)2 – 2n
f(5) = ((2 x 5) + 3)2 – 2 x 5
f(5) = (10 + 3)2 – 10
f(5) = (13)2 – 10
f(5) = 26 – 10
f(5) = 16
Answer:
50
Step-by-step explanation:
any thing passed 5 is rounded up for example, 35 rounds up to 40. 42 rounds to 40 since it's under 45