Answer:
S = 1564
Step-by-step explanation:
S = 12 + 22 + 32 + .. + 172
= 12 + (12+10) + (12+20) + .. + (12+160)
= 10(1 + 2 + .. + 16) + 12×17
= 10×16×17/2 + 12×17
= 1360 + 204
= 1564
850- 475= 375 increase over 2 months.
375 ÷2= $187.50
Which is the domain of the function shown in the graph?
A. x ≤ 3
B. -∞ < x < ∞ ( ✔ )
C. x > 0
D. x ≥ 3
l=27
b=2×35=70
2l=124-70=54
l=54/2=27
