Evaluate the integral. dx

A.
B.
C.
D. 2


Answer: A

Mathematics

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Solve the initial value problem.Differential Equation:  = i + (7t3 - 5t)j + kInitial Condition: r(0) = 2j + (ln 6)k

A. r(t) = ti + j + ln(t + 6)k
B. r(t) = i + j + (ln 6)k
C. r(t) = ti + j + (ln t)k
D. r(t) = ti + j + (ln 6)k

Mathematics

Find the vertices and locate the foci for the hyperbola whose equation is given.y = ± 

A. vertices: (-, 0), (, 0)
foci: (-2, 0), (2, 0)
B. vertices: (0, -), (0, )
foci: (0, -2), (0, 2)
C. vertices: (-6, 0), (6, 0)
foci: (-, 0), (, 0)
D. vertices: (-6, 0), (6, 0)
foci: (-2, 0), (2, 0)

Mathematics

Add or subtract as indicated and write the result in standard form.8i + (-7 - i)

A. 7 - 7i B. 7 - 9i C. -7 + 9i D. -7 + 7i

Mathematics

Evaluate the expression according to the replacement value given.; replace p with 3 and t with 4.

A. 9 B. 1 C. 12 D. 4

Mathematics