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Answer:
23
Step-by-step explanation:
Evaluate f(- 2) then substitute the value obtained into g(x)
f(- 2) = 3(- 2)² + 2(- 2) - 1 = 3(4) - 4 - 1 = 12 - 5 = 7 , then
g(7) = 4(7) - 5 = 28 - 5 = 23
We have (70!)/[(69!)·(1!)] = 70.
Set up a proportion.
12 cupcakes/ 0.5 hrs= 144 cupcakes/ x hrs
12*12=144
0.5*12=6=x
Final answer: 6 hrs