Question

if f(x) = 3x² - 7x + 8 , find f ( -2 )
please tell me answer​

Answer 1

Answer:

34

Step-by-step explanation:

f(x)=3x²-7x+8  

f(x)=-2

=3*-2*-2-7*-2+8

=3*4+14+8

=12+22

=34

Answer 2

f(X)= 3x²-7x+8

f(-2)= 3(-2)²-7(-2)+8

f(-2)= 3*4+14+8

f(-2)= 12+14+8

f(-2)= 20+14

f(-2)= 34