Question

F(x)=2x^2-5x+4 find f(-4) how do i do that?

Answer 1

Answer:

f(4)=2(x)^2-5(4)+4

Step-by-step explanation:

f(x) is basically just y, but it is also telling you what the value of x is. So if f(4) then that means that x is 4, so you can just replace x with 4 and simplify. Hope this helps :)

Answer 2

Answer:

f(x) find f(-4)

just plug in all f(x) for f(-4)

I'll get u started. 2(-4)^2-5(-4)+4

2(16)+20+4

32+20+4

56

Hope this helps plz hit the crown ;D