What’s the answer I need it for my grade to go up

answer: i dont know but if you try hard you will get it right : )

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)

most likely linear (proportionate)

step-by-step explanation:

as time increases heart rate increases