Answer:
-1.5
Step-by-step explanation:
Answer:
6.
Step-by-step explanation:
11 + 2k > 19
2k > 19 - 11
2k > 8
k > 8/2
k > 4.
Answer:
15 cm²
Step-by-step explanation:
5 + 1 + 1 = 7
7 × 5 = 35
5 × 1 = 5
5 + 5 + 5 + 5 = 20
35 - 20 = 15
The first one (top left) is a function. Use the vertical line test, if a vertical line crosses the line drawn on the graph twice, then it's not a function.