Directly proportional: as one amount increases,
<span>another amount increases at the same rate.
</span><span><span>Inversely Proportional</span>: when one value decreases at the same rate that the other increases. </span>
Answer:
109 students need to attend
Step-by-step explanation:
156 + 280 = 436
436 ÷ 4 = 109
75+ 15x ≥ 140
⇒ 15x ≥ 140 -75
⇒ 15x ≥ 65
⇒ x ≥ 65/15
⇒ x ≥ 13/3
⇒ x ≥ 4 1/3
The final answer is x ≥ 4 1/3~
If you drop a vertical line thru the graph if it passes thru more than one point than it is not a function
EX: (pic)