If f(x)=2x-4 find the value with f(3)

Step-by-step explanation:

Since f(x)= 2x-4

Then, f(3)= 2(3) - 4

f(3)= 6-4

f(3)= 2

i would say c is the best answer, hope it's right!

good luck! =)

cutie~

to find the perimeter of the rectangle this is the expression:

x-9+x-9+3x-4+3x-4=138

if we simplify it:

8x-26=138

remember, 138 is what it all adds up to

the length is 11.5cm

the width is 57.5cm

the area is 661.25cm^2

the answers might not be correct use at own risk