Question

Use function: f(x) = x^3 + x^2 - 2x.
Use trace or table to estimate positive x=value where f(x) = 2.5. Round to nearest tenth.

Answer 1

if you get to use technology, use it
http://www.wolframalpha.com/input/?i=+x^3+%2B+x^2+-+2x%3D2.5

Answer 2

looks like \[x = 1.48368\]

Answer 3

thank you so much!

Answer 4

says to use a calculator, might as well right?

Answer 5

lol i mean "your welcome"