Evaluate the factorial expression.
A. 10
B.
C. 90
D. 2!
Answer: C
Mathematics
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Use estimation to determine which calculation is incorrect.
A. 
B. 
C. 
D. 
Mathematics
Find the intervals on which the function is increasing and the intervals on which the function is decreasing.f(x) = -x2 + 9x - 4
A. Increasing on 
; decreasing on 
B. Increasing on 
; decreasing on 
C. Increasing on 
; decreasing on 
D. Increasing on 
; decreasing on 
Mathematics
Solve the problem.A comet follows the hyperbolic path described by 
- 
= 1, where x and y are in millions. If the sun is the focus of the path, how close to the sun is the vertex of the path? 
A. 28 million B. 3.2 million C. 2.1 million D. 5.3 million
Mathematics
Write the statement as an inequality.z is less than or equal to -8
A. z ? -8 B. z < -8 C. z = -8 D. z > -8
Mathematics