Help pls will give brainliest

Answer:
41
Step-by-step explanation:
y = (4*5) + 21
y = 20 + 21
y = 41
Answer: 41
Step-by-step explanation:
Basically multiply the input value by 4, since the input is x. You will have 4(5) which is 20, then add 21 to it and you have 41.