Find the indicated partial sum for the sequence.4, 10, 16, 22, 28, . . . ; S5
A. 88
B. 80
C. 20
D. 100
Answer: B
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Find T, N, and B for the given space curve.r(t) = (2 + t)i + (6 + ln(sec t))j - 6k, -?/2 < t < ?/2
A. T = (cos t)i - (sin t)j; N = (-sin t)i - (cos t)j ; B = -k B. T = (-cos t)i - (sin t)j; N = (-cos t)i + (sin t)j ; B = k C. T = (-cos t)i - (sin t)j; N = (sin t)i - (cos t)j ; B = -k D. T = (cos t)i + (sin t)j; N = (- sin t)i + (cos t)j ; B = k
Find an equation of the parabola described.Focus at (5, 0); vertex at (0, 0)
A. y = 20x2 B. x = 20y2 C. x2 = 20y D. y2 = 20x
Solve the problem.A rectangular enclosure must have an area of at least 3000 yd2. If 220 yd of fencing is to be used, and the width cannot exceed the length, within what limits must the width of the enclosure lie?
A. 50 ? w ? 55 B. 0 ? w ? 50 C. 55 ? w ? 60 D. 50 ? w ? 60
Provide an appropriate response.Find y' if xy = y2 + 1.
Fill in the blank(s) with the appropriate word(s).