The answer is 108 hope it helped:)
A)f(4)=6(4)-9=24-9=15
B)f(1/2)=6(1/2)-9=3-9= -6
Answer:
c
Step-by-step explanation:
It is 1595. Put it on excel so you can better have an overview how it is done. You need 5 columns, column A-E. On column A, put 1 to 5 in rows 1 to 5. On column C, put the answers: 2, 7, 26, 101 and 400. On column D, put number 3 in all 5 rows. Back on column B, insert =sum(C1-A1) on row 1 and copy till row 5. On column E, insert =sum(B1+C1*D1) on row 1 and copy till row 5 and you will get 1595 at the end.
Answer: 163.2 cm^2
(4*7.2) + (7.2*12) + (12*4)
28.8 + 86.4 + 48
163.2
If that is the answer your looking for then brainliest pwease! <3