Use the integral test to determine whether the series converges.
A. converges
B. diverges
Answer: B
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Solve the problem.Ken is 6 feet tall and is walking away from a streetlight. The streetlight has its light bulb 14 feet above the ground, and Ken is walking at the rate of 1.3 feet per second. Find a function, d(t), which gives the distance Ken is from the streetlight in terms of time. Find a function, , which gives the length of Ken's shadow in terms of d. Then find
.
A. (S ? d)(t) = 0.72t B. (S ? d)(t) = 2.2t C. (S ? d)(t) = 1.24t D. (S ? d)(t) = 0.98t
Find the linearization L(x) of f(x) at x = a.f(x) = , a = 0
A. L(x) = - x
B. L(x) = - x
C. L(x) = x
D. L(x) = x
Give all possible rational zeros for the polynomial.f(x) = 10x7 + 40x3 + 2x - 5
A. ±1, ± , ±5, ±
, ±
B. ±1, ± , ±5, ±
, ±
, ±
C. ±1, ± , ±2, ±
, ±5, ±10
D. ±1, ±5, ±
Solve the problem.A forest ranger at Lookout A sights a fire directly north of her position. Another ranger at Lookout B, exactly 2 kilometers directly west of A, sights the same fire at a bearing of N41.2°E. How far is the fire from Lookout A? Round your answer to the nearest 0.01 km.
A. 2.25 km B. 2.28 km C. 2.32 km D. 2.18 km