Solve.A heater uses 13,000 BTU each hour to operate. How many foot-pounds of energy does it use each hour?
A. 166.7 ft-lb
B. 8,814,000 ft-lb
C. 10,114,000 ft-lb
D. 16.7 ft-lb
Answer: C
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Compute the values of f(x) and use them to determine the indicated limit.If f(x) = x2 + 8x - 2, find 
f(x). 
A. 
; limit = 17.70
B. 
; limit = 5.40
C. 
; limit = 18.0
D. 
; limit = ?
Without actually converting, choose the most reasonable answer.The weight of a vitamin is about __________ .
A. 200 g B. 200 kg C. 20 kg D. 2 kg
List the potential rational zeros of the polynomial function. Do not find the zeros.f(x) = -4x4 + 2x2 - 4x + 6
A. ± 
, ± 
, ± 
, ± 
, ± 
, ± 1, ± 2, ± 3, ± 6
B. ± 
, ± 
, ± 
, ± 
, ± 1, ± 2, ± 3, ± 6
C. ± 
, ± 
, ± 
, ± 
, ± 1, ± 2, ± 3, ± 4, ± 6
D. ± 
, ± 
, ± 
, ± 
, ± 
, ± 1, ± 2, ± 4
Solve the problem.There are 12 members on a board of directors. If they must elect a chairperson, a secretary, and a treasurer, how many different slates of candidates are possible?
A. 1320 B. 479,001,600 C. 220 D. 1728