Solve the problem.The approximate monthly average temperatures in degrees Fahrenheit in a certain city can be approximated by the function f(x) = -0.005x6 + 0.31x4 - 6.14x2 + 83with domain {x|-6 ? x ? 6}. Here x represents the month with
corresponding to July. What other month has the same average temperature as March?
A. September
B. October
C. November
D. December
Answer: C
Mathematics
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Evaluate.
A. -8 B. -9 C. 9 D. -10
Mathematics
Find the directional derivative of the function f(x,y) = at the point p(7, 0) in the direction of the unit vector that makes the angle
with the positive x-axis.
Mathematics
Find the quotient.
A. 6 B. 1 C. 0 D. undefined
Mathematics
Plot the following points and find the distance between the points. ? (-5, 8), (7, 2) ?
A. ?
Distance:
B. ?
Distance:
C.
Distance:
D. ?
Distance:
E. ?
Distance:
Mathematics