Write the words used to read the number.3870
A. three thousand, eight hundred seventy
B. three thousand, eight hundred seven
C. thirty eight thousand, seventy
D. thirty eight hundred seven
Answer: A
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Find the area of the specified region.Shared by the circles r = 2 and r = 4 cos ?
A. 
?
B. 
(2? + 3
)
C. 
(4? - 3
)
D. 2?
State the domain and range of the one-to-one functions f and f-1.f(x) = -8x + 5
A. f(x): domain (-8, ?), range (-?, ?); f-1(x): domain (-?,-8), range (-?, ?) B. f(x): domain (-?, ?), range (-?, 5); f-1(x): domain (-?, ?), range (5, ?) C. f(x): domain (-8, ?), range (5, ?); f-1(x): domain (-?,-8), range (-?, 5) D. f(x): domain (-?, ?), range (-?, ?); f-1(x): domain (-?, ?), range (-?, ?)
Use a graphing utility to graph the polar equation.r2 = 9 sin(2?)6
-6
A.
| 6 |
| -6 |
B.
| 6 |
| -6 |
C.
| 6 |
| -6 |
D.
| 6 |
| -6 |
A biology class performs an experiment comparing the quantity of food consumed by a certain kind of moth with the quantity supplied. The model for the experimental data is given by
?
?
?
where x is the quantity (in milligrams) of food supplied and y is the quantity (in milligrams) of food consumed.
Select the correct graph of this model.
?
A. ?
B. ?
C. ?
D. ?
E. ? 