Question

4.3x² + 4x + 1 when x = 3.
5. √4x²-3 when x = 2.

Answer 1

40, 5

Explanation:

4. First, lets substitute x with 3

= 3 × 3^2 + 4 × 3 + 1

= 27 + 13

= 40

5. First, lets substitute x with 2

= √(4) × 2^2 - 3

= 2 × 2^2 -3

= 8 - 3

= 5