Question

Evaluate the following expression when x = 3 and y = 4:
2x + y2 - 1

Answer 1

21

Explanation:

x = 3

y = 4

2x + y² - 1

2(3) + 4² - 1

2(3) + 16 - 1

6 + 16 - 1

22 - 1

21