Question

If f(x)=x^2+3x-4, find the value of f(-4). Show all work.

Answer 1

okay all u do is plug in -4 for all x's

Answer 2

so -4^2 is what? 16

Answer 3

now add 3 X -4 which is 12 so 12+16 is what? 28

Answer 4

now subtract 4 from 28 which is ur final answer 24

Answer 5

But the 12 would be negative?

Answer 6

yes sorry

Answer 7

So would it be 0???

Answer 8

so now its -12+16 than take that and subtract 4

Answer 9

yes the answer is 0 good job!