Simplify the factorial expression.
A. 3!
B. 1
C. (n + 2)!
D. n + 3!
Answer: C
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Use the table of values of f to estimate the limit.Let f(x) = x2 - 5, find 
f(x).
A. 
; limit = -15.0
B. 
; limit = -5.0
C. 
; limit = -3.0
D. 
; limit = ?
Find the gradient field F of the function f.f(x, y, z) = z sin (x + y + z)
A. F = -cos xi - cos yj + (sin z - z cos z)k B. F = z cos(x + y + z)i + z cos(x + y +z)j + (sin(x + y + z) + zcos(x + y + z))k C. F = -z cos(x + y + z)i - z cos(x + y +z)j + (sin(x + y + z) - zcos(x + y + z))k D. F = cos xi + cos yj + (sin z + z cos z)k
Find the inverse of the matrix by using a graphing calculator.
A. 
B. 
C. 
D. 
Graph and state the domain and the range of the function.f(x) = ex + 4
A. Domain: (0, ?)
Range: ?
B. Domain: ?
Range: (0, ?)
C. Domain: ?
Range: (4, ?)
D. Domain: ?
Range: (0, ?)