Respuesta :

s1m1

Answer:

-6

Step-by-step explanation:

f(x) = 2x² +5x -9

f(-3) means f(x=-3) so substitute x with -3 in the equation

f(-3) = 2*(-3)³ +5(-3) -9 = 2*9 -15 -9 = 18 -24 = -6

willowandthetree

Answer:

The answer is either x=1 or f(0)=-5

Step-by-step explanation:

im not sure but I hope this helps