Graph the function. Describe its position relative to the graph of the indicated basic function.f(x) = 4(3 - ex), x > 0; relative to f(x) = ex
A. Stretched horiz; reflected across y-axis;
moved down 3 unit(s)
B. Stretched vert; reflected across y-axis;
moved up 3 unit(s)
C. Stretched vert; reflected across x-axis;
moved up 12 unit(s)
D. Stretched horiz; reflected across x-axis;
moved down 12 unit(s)
Answer: C
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The position vector of a particle is r(t). Find the requested vector.The velocity at t = 
for r(t) = 2 sec2(t)i - 2 tan(t)j + 9t2k
A. v
= 8i + 4j - 
?k
B. v
= -4j + 
?k
C. v
= 8i - 4j + 
?k
D. v
= -4j - 
?k
Verify the identity.
= cot 
What will be an ideal response?
Solve the problem.The stadium vending company finds that sales of hot dogs average 34,000 hot dogs per game when the hot dogs sell for $2.50 each. For each 50 cent increase in the price, the sales per game drop by 5000 hot dogs. What price per hot dog should the vending company charge to realize the maximum revenue?
A. $0.90 B. $3.20 C. $3.40 D. $2.95
Evaluate the integral 
.
?
A. 
B. 
C. 
D. 
E. 