Graph the function using its vertex, axis of symmetry, and intercepts.f(x) = x2 - 4x
A. vertex (2, 4)
intercept (0, 8)
B. vertex (-2, 4)
intercept (0, 8)
C. vertex (-2, -4)
intercepts (0, 0), (-4, 0)
D. vertex (2, -4)
intercepts (0, 0), (4, 0)
Answer: D
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Solve.If the velocity (in ft/s) of a particle is given by v = tan 2t, find the distance traveled as time t changes from 4.8 to 5.0 sec.
A. 0.080 ft B. 0.16 ft C. -0.095 ft D. 0.0077 ft
Find the sum, if it exists.36 + 45 + 
+ 
+ . . .
A. 180 B. - 180 C. 144 D. Does not exist
Solve the problem.Yearly sales at a certain department store follow the model 
where y is the total sales in thousands of dollars and x is the number of years after the store opened. How many years after the store's opening will the total sales for the year first be less than 
?
A. 11 yr B. 13 yr C. 465 yr D. 3 yr
Write the fraction or mixed number as a percent.
A. 18
%
B. 18%
C. 24
%
D. 24%