Find a polar equation for the conic. A focus is at the pole.e = 1; directrix is parallel to the polar axis 4 above the pole
A. r = 
B. r = 
C. r = 
D. r = 
Answer: B
Mathematics
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Suppose u and v are differentiable functions of x. Use the given values of the functions and their derivatives to find the value of the indicated derivative.u(1) = 4, u '(1) = -7, v(1) = 6, v '(1) = -4.
(2u - 4v) at x = 1
A. -16 B. -30 C. 32 D. 2
Mathematics
Compute the definite integral as the limit of Riemann sums.
, a < b
A. y2 - x2
B. 64
C. 16(y - x)
D. 4
Mathematics
In the table, Y1 is a rational function. Give a possible equation for a horizontal asymptote.
A. y = 2 B. x = 3 C. y = 3 D. x = 2
Mathematics
Add or subtract and simplify.(7 + 6i) - (-4 + i)
A. 11 - 5i B. 11 + 5i C. -11 - 5i D. 3 + 7i
Mathematics