Use a 3D grapher to graph the function. Then estimate any relative extrema.f(x, y) = (x + 2y + 1) 2
A. No relative extrema
B. Relative minimum = 1
C. Relative maximum = 4
D. Relative minimum = 0
Answer: D
Mathematics
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Find projv u.v = 3i - j + 3k, u = 11i + 2j + 10k
A. 
i + 
j + 
k
B. 
i - 
j + 
k
C. 
i + 
j + 
k
D. 
i - 
j + 
k
Mathematics
Find the sum of the finite geometric series using a formula.12 + 36 + 108 + 324 + 972
A. 480 B. 1452 C. 2460 D. 93
Mathematics
Find the distance between the pair of points on the number line.9, 3
A. -2 B. 6 C. -6 D. 12
Mathematics
Perform the indicated operation and write the answer in lowest terms.
- 
A. 5a B. 0 C. 9b D. 81b
Mathematics