-1 is less than 0, so you use the first equation:
3(-1) +2 = -3+2 = -1
f(-1) = -1
For 0 use the 2nd equation:
3(0) + 4 = 0+4 = 4
f(0) = 4
For 2 use the 2nd equation:
3(2) + 4 = 6+4 = 10
f(2) = 10

number of marks available = 140
percentage secured = 70%
therefore marks secured =

hope helpful~
Answer:
0.681818
Step-by-step explanation:
13 feet per second is equal to 0.681818 miles per hour.
Step-by-step explanation:
first u find the angles and then u use some low divide the length of triangle by sin of opposite angles
X > 90 idk if thats what u mean or not