Apiece of copper with a volume of 8.25 cm³ has a mass of 73.92 g. a piece of iron with a volume of 5 cm³ and has a mass of 39.35 g. which metal has the greater density?

the answer would be 44.79

plz mark brainliest

step-by-step explanation:

hello,

as we don't know if g(x) is continue,

answer b

f(x)=2x²-8x+1=2(x²-4x+4)+1-8=2(x-2)²-7

vertex is (2,-7) ( a minimum since coefficient of x² is > 0)

30,40,50 is correct answer