Find (P ? Q)(x).P(x) = x + 3; Q(x) = x2 - 9
A. x3 - 6x2 - 27
B. x2 - 6x - 27
C. x3 + 3x2 - 6x - 27
D. x3 + 3x2 - 9x - 27
Answer: D
Mathematics
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The figure shows the velocity v or position s of a body moving along a coordinate line as a function of time t . Use the figure to answer the question. v (ft/sec)
What is the body's speed when t = 10 sec?
A. 3 ft/sec B. 0 ft/sec C. -5 ft/sec D. 5 ft/sec
Mathematics
Solve the equation.
- 9 = x
A. 
B. - 
C. 
D. 
Mathematics
Express the following number in scientific notation: 0.0317
a. 3.17 ð 10-2 b. 31.7 ð 10-3 c. 3.17 ð 10-2
Mathematics
Write as a percent.0.06
A. 0.006% B. 6% C. 0.6% D. 60%
Mathematics