Decide whether the slope is positive, negative, zero, or undefined.
A. Undefined
B. Positive
C. Negative
D. Zero
Answer: A
Mathematics
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Find an explicit formula for an.0, 0, 2, 2, 0, 0, 2, 2, . . .
A. an = 1 + (-1)n(n-1) B. an = 1 + (-1)n(n+1) C. an = 1 + (-1)(n(n+1))/2 D. an = 1 - (-1)n(n-1)
Mathematics
Find the length of the curve.y = 
, 4 ? x ? 7
A. 22
B. 12
C. 33
D. 
Mathematics
Find the median for the data given.Number of miles round trip to swim meets: 21, 25, 32, 54, 62, 74, 83
A. 62 miles B. 50 miles C. 32 miles D. 54 miles
Mathematics
Identify the vertex of the given parabola.f(x) = x2 + 8
A. (0, -8) B. (0, 8) C. (8, 0) D. (-8, 0)
Mathematics