Find a1, d, an, n, or Sn for the arithmetic sequence, as instructed.a1 = 1, d = 5, an = 21; Find Sn.
A. 21
B. 5
C. 26
D. 55
Answer: D
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Solve the problem.A certain marine engine has cylinders that are 3.09 cm in diameter and 5.32 cm deep. Find the total volume of 8 cylinders (to the nearest hundredth).
A. 638.00 cm3 B. 825.89 cm3 C. 39.87 cm3 D. 319.00 cm3
Use logarithmic differentiation to find the derivative of y with respect to the independent variable.y = (sin x)cos x
A. cos x cot x - sin x ln(sin x) B. cos x ln ( sin x) C. (sin x)cos x(cos x cot x - sin x ln (sin x)) D. cos x cot x - ln (sin x)
Adding lumpy assets to a firm does not affect the financial requirements associated with an expansion because the annual costs associated with growth normally are fixed, no matter the level of sales.
Answer the following statement true (T) or false (F)
Find an equation of a parabola satisfying the given conditions.Focus at (-6, 6), directrix x = -4
A. (x - 6)2 = -4(y + 5) B. (y + 6)2 = -4(x + 5) C. (y - 6)2 = -4(x + 5) D. (x + 6)2 = -4(y + 5)