Question

3x2 – 7x + 9, when x = 4
A)5
B)29
C)61
D)85

Answer 1

B) 29

Explanation:

Plug in 4 for x.

3(4)^2 - 7(4) + 9

3(16) - 28 + 9

48 - 28 + 9

20 + 9

29.

Hope this helps.