Diane serves breakfast to two groups of children at a daycare center. one box of oaties contains 12 cups of cereal. she needs 1/3 for each younger child and 3/4 cup for each older child. today's group includes 11 younger children and 10 older children. is one box of oaties enough for everyone? explain

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answer:

the domain is the set { -2, 0, 2, 3}

discussion:

the domain is the set of x values in the ordered pairs (x,y). taking the x, or first component, of each ordered pair gives   -2, 0, 2, 3.

you,

mrb

e^-kt = n/n0 = 0.79  

-kt = ln 0.79  

t = - ln 0.79/0.0001  

= 2357 years

step-by-step explanation: