Question

evaluate the function for x=3a. f(x) = 2x^2 - 3x + 4 ............
A.9a
B.6a^2 - 9a + 4
C.18a^2 - 9a + 4
D. 12a^2 - 6a + 4

Answer 1

B i think, you would just plug in 3a and multiply

Answer 2

Plug it in!
2(3a)^2 - 3(3a) + 4

Answer 3

so B? :D

Answer 4

Yep

Answer 5

I don't agree
Spelled out the first part of the equation says...


Two times (3a)^2

Answer 6

2 times (3a times 3a)
2 times (9 times a^2)

Answer 7

18a^2