Find the slope and the y-intercept of the given line.-4x + 5y = 5
A. - ; (0, -1)
B. 1; (0, -1)
C. ; (0, 1)
D. -1; (0, 1)
Answer: C
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Use the method of undetermined coefficients to solve the differential equation. - 2
+ y = xe8x - e8x;
= 0 and y = 0 when x = 0
A. y = ex +
xex +
xe8x -
e8x
B. y = ex -
xex +
xe8x -
e8x
C. y = ex +
xex +
xe8x +
e8x
D. y = ex +
xex +
xe8x -
e8x
The vector r(t) is the position vector of a particle at time t. Find the angle between the velocity and the acceleration vectors at time t = 0.r(t) = (4t2 + 6)i + (3t3 - 3t)k
A. 0
B. ?
C.
D.
Find the requested asymptote(s) of the given function. f(x) = ; Find the slant asymptote.
A. y = 8x B. y = 8x + 11 C. y = 8x + 4 D. y = 1 + x2
Solve the problem.In a study of traffic control, the number n of vehicles on a certain section of a highway from to
was found to be
where t is the number of hours after
At what time is the number of vehicles the greatest?
A. 3 p.m. B. 4:30 p.m. C. 4 p.m. D. 5 p.m.