Question

Does f(-1)=2x^3-3x^2-18x-8 equal 11? If not what is it?

Answer 1

11 is correct

Answer 2

i assume this is \[f(x)=2x^3-3x^2-18x-8\]and find \[f(-1)\]

Answer 3

indeed and thanks

Answer 4

\[-2-3+18-8\] is NOT \(11\)

Answer 5

if my arithmetic is correct, it is \(5\)

Answer 6

Yeah I just checked woops

Answer 7

go slow

Answer 8

and be wary of answers with no explanation

Answer 9

I need help on my last question!