15+17+12= 44
The sold 44 magazine subscriptions in total.
Answer:
0.9
Step-by-step explanation:
Answer:
17k - 25
Step-by-step explanation:
- 5(1 - 5k) - 4(2k + 5) ← distribute parenthesis
= - 5 + 25k - 8k - 20 ← collect like terms
= 17k - 25
You have to know that the graph of the arctangent function is a flat S-shaped curve that goes through (0, 0) and has asymptotes at ±π/2. The factor of 2 that multiplies it here expands it vertically so the asymptotes are at ±π. The +3 added to the x causes it to be shifted to the left by 3 units.