Solve the inequality.x2 - 3x ? -2
A. (-?, 1] or [2, ?)
B. [1, 2]
C. [2, ?)
D. (-?, 1]
Answer: A
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Find the gradient field F of the function f.f(x, y, z) = ln
+ z4
A. F = 
i + 
j + 
k
B. F = 
i + 
j + 
k
C. F = 
i + 
j + 
k
D. F = 
i + 
j + 
k
Evaluate the integral.
A. 2
- 5 ln 
+ C
B. 2
+ 5 ln 
+ C
C. 2
+ C
D. 2
+ 5 tan-1 
+ C
Use the fundamental identities to find the value of the trigonometric function.Find sin ? if tan ? = - 
and cos ? > 0.
A. - 
B. - 
C. 
D. - 
Solve the problem.Momma's Ice Cream Shop sells three types of ice cream (soft-serve, chunky, and nonfat) at its three locations. The table below shows the number of gallons of each type sold per day at each location. 
The income per gallon for soft-serve, chunky, and nonfat ice cream is $4, $6, and $8, respectively. Create two matrices to represent these data, and use matrix multiplication to find a matrix that gives the daily income at each location.
A. 
B. 
C. 
D. 