Solve.The number of books in a small library increases according to the function 
where t is measured in years. How many books will the library have after 4 year(s)?
A. 11,729
B. 5094
C. 7510
D. 9251
Answer: C
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Solve.How many 
in. risers are in a flight of stairs 
ft high?
Fill in the blank(s) with the appropriate word(s).
Find an equation of the line that has the given slope and contains the given point. If possible, write your equation in slope-intercept form.m = 
; (0, 7)
A. y = 
x + 7
B. y = 
x - 7
C. y = - 
x - 7
D. y = 
x + 7
Write the fraction as a decimal.
A. 0.00102 B. 0.102 C. 0.000102 D. 0.0102
Solve.A rectangular box with volume 247 cubic feet is built with a square base and top. The cost is $1.50 per square foot for the top and the bottom and $2.00 per square foot for the sides. Let x represent the length of a side of the base. Express the cost the box as a function of x.
A. C(x) = 4x + 
B. C(x) = 3x2 + 
C. C(x) = 3x2 + 
D. C(x) = 2x2 + 