Compute the gradient of the function at the given point.
A. 9i + 3j
B. 2i - 4j
C. 18i + 12j
D. 18i - 12j
Answer: B
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Solve.Anita receives a promotional offer from a long-distance phone company of $0.05 per minute for long-distance calls. If she spends between $10 and $35 on long distance calls in the first month, the offer will be extended by an extra month. If she spends more than $35 in the first month, the offer will be extended by an additional two months. For what range of minutes must Anita use long distance in the first month, if the offer is to be extended by an extra month?
A. At least 200 min B. Between 200 min and 900 min C. Between 200 min and 700 min D. Between 100 min and 700 min
Provide an appropriate response.Find the equation of the line that is parallel to the line 3x + y = 6 and passes through the point 
Write the equation in standard form.
A. 3x - y = -13 B. 3x + y = 9 C. 3x - y = -9 D. 3x + y = 1
Add. Write a mixed numeral for the answer.4
+ 8
A. 12
B. 4
C. 13
D. 11
Evaluate using substitution. Do not use Table 1 or CAS.
