Perform the indicated operation.u = 3i - 6j , v = -7i - 8j; Find 4u + 7v.
A. -37i - 80j
B. -4i - 14j
C. 61i + 32j
D. 11i + 11j
Answer: A
Mathematics
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Find the domain of the given function f and find where it is increasing and decreasing, and also where it is concave upward and where it is concave downward. Identify all extreme values and points of inflection. Then sketch the graph of y = f(x). f(x) = log7(x2 + 7)
What will be an ideal response?
Mathematics
Answer the question.Is f continuous at x = 0? 
A. Yes B. No
Mathematics
Solve the problem.Find a unit vector perpendicular to plane PQR determined by the points P(-3, -1, 2), 
and 
A. ± 
B. ± 
C. ± 
D. ± 
Mathematics
Convert the angle from degree measure to radian measure. Round to the nearest hundredth of a radian when appropriate.60°
A. 
B. 
C. 
D. 
Mathematics