Step-by-step explanation:
f(x)= 2x4+6x3-4x-1
2 times 4 =8
6 times 3 =18
f(x)=8+18-4x-1
8 plus 18=26
f(x)=26-4x-1
26 minus 1
f(x)=27-4x
f(x)= -6.75
Don't think this right....but hope that helps
