Add or subtract as indicated. Write the answer in simplest form.- 
- 
A. - 
B. - 
C. 
D. 
Answer: B
Mathematics
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Compute the gradient of the function at the given point.
A. ?f = 
j - 
k
B. ?f = - 
j + 
k
C. ?f = - 
j - 
k
D. ?f = - 
j - 
k
Mathematics
Rewrite the quadratic equation in the form ax2 + bx + c = 0, then identify a, b, and c. (5x + 1)(9x - 4) = -8
A. a = 45, b = 11, c = 12 B. a = 45, b = 11, c = -4 C. a = 45, b = -11, c = 4 D. a = 45, b = -11, c = -4
Mathematics
Evaluate the improper integral.
A. 18 ln12 - 9
B. 18 ln2 - 9
C. - 
ln12 + 9
D. 18 ln12 - 18
Mathematics
Determine whether the following is a probability model.
A. Yes B. No
Mathematics