Evaluate the expression.
A. 4
B. 1
C. 0
D. 6
Answer: D
Mathematics
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Add or subtract and write answer in lowest terms.15
- 6
A. 8
B. 9
C. 7
D. 8
Mathematics
Solve the problem.Evaluate 
at (x, y, z) = (2, 2, 0) for the function u(p, q, r) = epq cos(r); p = 
, 
A. 0 B. 1 C. 4 D. 8
Mathematics
Determine whether the function is invertible. If it is, find the inverse.{(-8, 3), (-7, 3), (-6, 6), (-5, 9)}
A. {(3, -8), (-7, 6), (-6, 9)} B. {(-8, 9), (-8, 6), (-6, -7)} C. {(3, -8), (9, 6), (-6, -7)} D. Not invertible
Mathematics
Determine whether the given quadratic function has a minimum value or maximum value. Then find the minimum or maximum value and determine where it occurs.f(x) = 2x2 + 2x - 1
A. Maximum is - 
at x = - 
.
B. Minimum is - 
at x = - 
.
C. Minimum is - 
at x = - 
.
D. Maximum is - 
at x = - 
.
Mathematics