Find the product.-11k2(-7k7 + 6k4 + 7)
A. 77k9 - 66k6
B. 77k9 + 6k4 + 7
C. 77k7 - 66k4 - 77
D. 77k9 - 66k6 - 77k2
Answer: D
Mathematics
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Solve.The distance D that a spring is stretched by a hanging object varies directly as the weight W of the object. If a 20-kg object stretches a spring 27 cm, find the distance when the weight is 11-kg. Round to the nearest hundredths when necessary.
A. 58 cm B. 8.15 cm C. 1.35 cm D. 14.85 cm
Mathematics
Provide an appropriate response.Combine the complex numbers: (
- 
) - (
+ 
)
A. 3 + 3i B. 3 - 7i C. 1 - 5i D. 3 - 3i
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If the function is one-to-one, find its inverse. If not, write "not one-to-one."f(x) = -
, x ? 5
A. f-1(x) = 
, x ? 5
B. f-1(x) = 
, x ? 0
C. f-1(x) = -
, x ? 0
D. f-1(x) = 
, x ? 0
Mathematics
Find the 7th term of the geometric sequence: . 3, 21, 147...
a. 
b. 
c. 
d. 
Mathematics