For following function, select (on the same set of coordinate axes) a graph for
.
?
?
A. ?
B. ?
C. ?
D. ?
E. ?
Answer: B
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Use the formula relating angular size, physical size and distance.A planet has an angular diameter of about 1.5° and a distance of about 67 million kilometers. What is its true diameter?
A. 13.56 million kilometers B. 3.51 million kilometers C. 11.8 million kilometers D. 1.75 million kilometers
Solve the problem.A merchant has coffee worth $30 a pound that she wishes to mix with 90 pounds of coffee worth $90 a pound to get a mixture that can be sold for $40 a pound. How many pounds of the $30 coffee should be used?
A. 540 lb B. 225 lb C. 270 lb D. 450 lb
Find the domain of the expression.
A. {x|x ? -2 and x ? -4} B. {x|x ? -8 and x ? +8} C. {x|x ? 2 and x ? 4} D. {x|x ? 0}
Consider the following squares. For the nth square, the length of each side is n.
i)Find the areas of the first 4 squares, then list the areas in a sequence.ii) Find the general term for the area of the nth square in the sequence. Use an for the area.
What will be an ideal response?