Write the statement as an inequality.z is less than or equal to -8
A. z ? -8
B. z < -8
C. z = -8
D. z > -8
Answer: A
Mathematics
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Find the curvature of the curve r(t).r(t) = (7 + ln(sec t))i + (4 + t)k, -?/2 < t < ?/2
A. ? = -cos t B. ? = sin t C. ? = cos t D. ? = 1 - cos t
Mathematics
Find all the local maxima, local minima, and saddle points of the function.
A. f
= 
, local minimum
B. f
= 
, local minimum
C. f(30, 30) = 297,000, local maximum
D. f(0, 0) = 0, saddle point
Mathematics
Provide an appropriate response.Solve the following using a system of equations: The sum of two electrical currents is 6 amps. Their difference is 2 amps. Find each current.
Fill in the blank(s) with the appropriate word(s).
Mathematics
Provide an appropriate response.Solve the system of equations using any method:x = 3 - y-y = 2x
A. (-3, 6) B. (-1, 2) C. (3, 0) D. (6, -3)
Mathematics