Find the point at which the line given by the parametric equations below intersects the plane.
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e. (38,-10,28)
Mathematics
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Find the second derivative.y = 3x2 + 9x + 4x-3
A. 6 + 48x-5 B. 6 + 48x-1 C. 6x + 9 - 12x-4 D. 6 - 48x-5
Mathematics
Before the parachute opens, the velocity v (in meters per second) of a skydiver is given by 
, where t is time in seconds into the jump. Find the velocity after 18 seconds. Round to two decimal places.
?
A. 0.97 m/sec B. 48.63 m/sec C. 9.06 m/sec D. 45.88 m/sec E. 1.37 m/sec
Mathematics
Solve the equation.
+ 
= 
A. 
B. 
C. 
D. 
Mathematics
Find the maximum and minimum values of the objective function f subject to the stated constraints.f = 6x + 8y, subject to2x + 4y ? 12,2x + y ? 8,0 ? x ? 6,0 ? y ? 4.
A. Maximum: 68; Minimum: 0
B. Maximum: 68; Minimum: 30
C. Maximum: 44; Minimum: 30
D. Maximum: 30
; Minimum: 0
Mathematics