Use the figure below to answer the following question(s).
Which graph describes the following situation: A country is made of two states each having three major cities.
A. Graph 1
B. Graph 3
C. Graph 4
D. Graph 2
E. none of these
Answer: C
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For the curve r(t), find an equation for the indicated plane at the given value of t.r(t) = (t + 9)i + (ln(cos t) - 8)j + 8k, -?/2 < t < ?.2; rectifying plane at t = 
.
A. 
- 
= 0
B. - 
+ 
= 0
C. 
(x - (1 + 9)) = 0
D. 
+ 
= 0
Provide an appropriate response.Suppose the yearly supply function for paintings from an artist is p = 3000x.(a)How many paintings per year will be supplied if the price is $21,000 per painting?(b)How many paintings per year will be supplied if the price is $51,000 per painting?(c)How does the amount supplied change as the price increases?
What will be an ideal response?
Identify the equation as either an identity or not.
= 
A. Identity B. Not an identity
Solve the given equation for the indicated variable. (Leave ± in the answer, if appropriate)E = mc2 for c
A. c = ± 
B. c = ± 
C. c = 
D. c = Em