Certain radioactive material decays in such a way that the mass remaining after t t
years is given by the function
m(t)=285e−0.01t
m
(
t
)
=
285
e
−
0.01
t
where m(t)
m
(
t
)
is measured in grams.

(a) Find the mass at time t=0
t
=
0
.

Aman is 6 feet 3 inches tall. the top of his shadow touches a fire hydrant that is 13 feet 6 inches away. what is the angle of elevation from the base of the fire hydrant to the top of the man's head?

Sample response: if the graph passes the horizontaline test, then the function is one to one. functions that are one to one have inverses that a therefore, the inverse is a hinction compare your response to the sample response above. what did you include in your explanation? a reference to the horizontal-line test d a statement that the function is one-to-one the conclusion that the inverse is a function done

Which coefficient matrix represents a system of linear equations that has a unique solution ? options in photo*