Find the largest open interval where the function is changing as requested.Decreasing y = 
+ 7
A. (0, ?)
B. (-7, 7)
C. (7, ?)
D. (-7, 0)
Answer: A
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Write words for the following.3 - (-15)
A. 15 minus 3 B. the opposite of 3 minus 15 C. 3 minus negative 15 D. 3 minus 15
Solve the problem.The logistic function f(t) = 
models the number of people who have become ill with a particular infection t weeks after its initial outbreak in a particular community. How many people were ill after 5 weeks?
A. 150 people B. 55,001 people C. 27,317 people D. 56,833 people
Graph the function, showing all asymptotes (those that do not correspond to an axis) as dashed lines. List the x- and y-intercepts.f(x) = 
A. x-intercept: 
, y-intercept: (0, 2) ;
B. x-intercept: 
, y-intercept: (0, 2) ;
C. x-intercept: 
, y-intercept: (0, 2) ;
D. x-intercept: 
, y-intercept: (0, 2) ;
Solve the problem.Find the volume V of a rectangular box with length 2 yd, width 8 yd, and height 7 yd.
A. V = 392 yd3 B. V = 112 yd3 C. V = 128 yd3 D. V = 28 yd3