Multiply and simplify.
? 
A. 
B. 
C. 
D. 
Answer: D
You might also like to view...
Rewrite the exponential equation
in logarithmic form.
a. 
b. 
c. 
d. 
Solve the problem.A ball is thrown downward from a window in a tall building. Its position at time t in seconds is given by 
where s is in feet. How long will it take the ball to fall 
Round to the nearest tenth, if necessary.
A. 3.6 sec B. 1.9 sec C. 2.7 sec D. 1.7 sec
Set the viewing rectangle of your graphing calculator to 
by 
to solve the problem.Find a set of parametric equations evaluated over 0 ? t ? 2? that produces the graph shown.
A.
| x1 = t/?, | y1 = t/? |
| x2 = 2t/?, | y2 = 0 |
| x3 = 2 + t/?, | y3 = 2 - t/? |
B.
| x1 = -1 + t/?, | y1 = -4 + t/? |
| x2 = -1 + 2t/?, | y2 = -4 |
| x3 = 1 + 2t/?, | y3 = -2 - t/? |
C.
| x1 = -1 + t/?, | y1 = -4 + t/? |
| x2 = -1 + t/?, | y2 = -4 |
| x3 = 1 + t/?, | y3 = -2 + t/? |
D.
| x1 = -1 + t/?, | y1 = 1 + 3sin(t) |
| x2 = -1 + 2t/?, | y2 = -4 |
| x3 = -1 + t/?, | y3 = 2 - t/? |
Solve the problem.The population P of a predator mammal depends upon the number x of a smaller animal that is its primary food source. The population s of the smaller animal depends upon the amount a of a certain plant that is its primary food source. If 
and 
what is the relationship between the predator mammal and the plant food source?
A. P(s(a)) = 4a2 + 8a + 13 B. P(s(a)) = 12a2 + 12a + 21 C. P(s(a)) = 12a2 + 24a + 21 D. P(s(a)) = 6a + 11