The amount of a radioactive material changes with time. The table below shows the amount of radioactive material f(t) left after time t:

t(hours) 0 1 2
f(t) 100 50 25

Which exponential function best represents the relationship between f(t) and t?
f(t) = 0.5(100)t
f(t) = 100(0.25)t
f(t) = 0.25(50)t
f(t) = 100(0.5)t

y=3x+4

step-by-step explanation:

given the points a(0,4) and b(-4, -8)

eqn of line ab: (y-4)/(x-0)=(-8-4)/(-4-0)

(y-4)/x=-12/-4=3

y=3x+4

60°

step-by-step explanation:

the measure angle of c in an isosceles triangle abc is 60° because in isosceles triangle,the measures of all the angles is 60°.

-1   1/6.   you dont subtract the denominators

step-by-step explanation:

step-by-step explanation:

there's the chart