12(4)-1
48-1
<u>47</u>
F(4)=47
Answer:
f(4) = 47
Step-by-step explanation:
f(x) = 12x - 1
Let x = 4
f(4) = 12(4) -1
= 48 -1
= 47
F
Because it has a different length and width .
x+7
your answer should be. 9+20=29