Solve the problem.At lift-off, a rocket weighs 40.6 tons, including the weight of fuel. It is fired vertically, and the fuel is consumed at the rate of 2.65 tons per 1,000 ft of ascent. How much work is done in lifting the rocket to an altitude of 11,000 ft?
A. 6.07 x 105 ft?ton
B. 3.40 x 105 ft?ton
C. 2.86 x 105 ft?ton
D. 3.66 x 105 ft?ton
Answer: C
Mathematics
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Multiply.0.78 × 1000
A. 0.78 B. 7800 C. 78 D. 780
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?Find the points of inflection and discuss the concavity of the function.
??
?
?
A. ?inflection point at 
; concave downward on 
; concave upward on 
B. ?inflection point at 
; concave upward on 
; concave downward on 
C. ??inflection point at 
; concave downward on 
; concave upward on 
D. ?inflection point at 
; concave upward on 
; concave downward on 
E. ?none of the above
Mathematics
Choose the symbol to fill in the blank to make a true statement.
?
?
A. 
B. 
Mathematics
Determine algebraically whether the function is even, odd, or neither.f(x) = 6x3 - 2
A. even B. odd C. neither
Mathematics