Which variances are most important to investigate? Group of answer choices Variable costs variances, because they are controllable Those that are material in amount Those that are immaterial in amount Those that are unfavorable

the axial of symmetry

step-by-step explanation:

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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)

most likely linear (proportionate)

step-by-step explanation:

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