Answer:
2x - 5 if x ≤ 2
f(-1) = -7
Step-by-step explanation:
x ≤ 2 = (-1) ≤ 2
x > 2 = (-1) > 2
2x - 5
2(-1) - 5
-2 - 5
-7
The line represents half of the triangle, so 42/2=21. 21-1=20. The answer is B
i hope u can round other wise its this 4 3649237 / 10000000
the dash is the fraction symbol
D