Question

Given F(x) = 3x^2 - 4, Find F(-sqrt3)

Answer choices are

-13
5
23

Answer 1

Well hello ms Lexi!\[\large\rm F(\color{orangered}{x})=3(\color{orangered}{x})^2-4\]Plug -sqrt3 in for x,\[\large\rm F(\color{orangered}{-\sqrt3})=3(\color{orangered}{-\sqrt3})^2-4\]and simplify

Answer 2

oh okay I got 5

Answer 3

Yayyyyy good job

Answer 4

thanks a bunch!