Question

Evaluate 4x^2 + 2x - 1 for x = 1

Answer 1

17

Explanation:

Evaluate 4x^2 + 2x - 1

y = 4 (1) ^2 + 2(1) -1

y = 4^2+2-1

y = 16 + 2 -1

y =17

Answer 2

Answer: 5

Explanation:

Substitute the value of the variable into the equation and simplify.