Which statement A-D about polynomial functions is NOT true?

Select one:

A. The degree of a polynomial function can be positive or negative but not zero.

B. The graph of a degreepolynomial function turns around at mosttimes.

C. A polynomial of degreehasroots, counting multiple roots separately.

D. All polynomial functions of degree 2 or higher have smooth and continuous graphs.

E. All four of the above statements are true.

The half-life of iodine-131 is 7.2 days.

If you start with 80 milligrams of iodine-131, how much of the substance will remain after 36 days?

Select one:

A. 40 milligrams

B. 5 milligrams

C. 10 milligrams

D. 2.5 milligrams

E. Can't be determined from the information given.

$800 is deposited in a bank account which is compounded continuously at8.5% annual interest rate. The future balance of the account is given by the function:. How long will it take for the initial deposit to double?Round off to the nearest tenth of a year.

Select one:

A. 2.7years

B. 3years

C. 8.2years

D. 8.5 years

E. 9 years

Birds from an endangered species are released into a nature preserve. The number of birds in thepreserve aftertyears is given by the logistic growth function:P(t)=

How many birds were initially released?Note: "Initially" means when t = 0.

Select one:

A. 2

B. 10

C. 100

D. 1000

E. Can't be determined from the info given.

Surefire Shed Co. produces three different models of metal storage shed, which are identified by their color:black, red, or green.Each shed must be stamped, painted, and packaged.The table below shows the number of hours required for each process for each shed model.Each month, 3200 hours are available for stamping, 1700 hours for painting, and 1300 hours for packaging.If all available hours are used, how many of each shed model can be produced in a month?

Stamping black 2

stamping red 3

stamping green 4

painting black 1

painting red 2

painting green 1

packaging black 1

packaging red 1

packaging green 1

Select one:

A. 400 black, 500 red, 200 green

B. 300 black, 600 red, 200 green

C. 300 black, 400 red, 400 green

D. 200 black, 700 red, 200 green

E. None of the above.