Answer:
Step-by-step explanation:
<h3>#18</h3>
Conditional statement p → q, and its inverse is not p → not q.
Applied to the given statement we see the correct one is b.
<h3>#19</h3>
Let the cost of fish is f.
<u>As per question we have:</u>
- 2(250) + 3f < 700
- 500 + 3f < 700
- 3f < 200
- f < 200/3 ≈ 67
The maximum cost is 66 pesos.
Correct choice is c.
<h3>#20</h3>
<u>Given function:</u>
The range is all real numbers as no restrictions to its domain.
Correct choice is c.
