for the function f(x) = 3×2 + 2x-1 evalute f(-2)​

Sagot :

[tex]f(x) = 3 {x}^{2} + 2x - 1 \\ f( - 2) = 3 {( - 2)}^{2} + 2( - 2) - 1 \\ = 3(4) + ( - 4) - 1 \\ = 12 - 4 - 1 \\ = 7[/tex]

f(-2) = 7