In which of the following situations would it not be wise to estimate?
a. the number of miles per gallon an automobile can provide
b. the time it would take to walk to the grocery store from home
c. the amount of food to prepare for twelve people
d. the amount of medicine to give a patient

step-by-step explanation:

de-gf

hj=3x+20

ji=15x-64

guess at question:

a vertical line intersects the graph of g(x,y) = 0 at two points. what conclusion follows about the function f(x) implicitly defined by g(x,f(x)) = 0?

the domain of f(x) cannot include the x coordinate of any such vertical line.

informally, f(x) is not a function, and

g(x,y)=0 cannot be solved for y uniquely.

the relation r = {(x,y) such that g(x,y) = 0} is a function if

for all (a,b) ∊ r and (c,d) ∊ r, a=c implies b=d.

step-by-step explanation: