The answer would be A), because the b-value raises the y-coordinate up to (0,75)
Answer:
1. 6, 2. 36, 3. 216, 4. 1296, 5. 7776, 6. 46656, 7. 279936
Step-by-step explanation:
a) Rainbow phone: c=100+6x
Cellular phone: c=80+10x
b) make the equations equal to each other:
100+6x=80+10x
20=4x
5=x
5 GB over
c)if x=6
Rainbow: 100+(6 x 6)= $136
Cellular: 80+(10 x 6)=$140
Therefore rainbow will save them the most money