Use the x-intercepts to find the intervals on which the graph of f is above and below the x-axis.f(x) = (x + 2)2
A. above the x-axis: (-?, -2), (-2, ?)
below the x-axis: no intervals
B. above the x-axis: (-2, ?)
below the x-axis: (-?, -2)
C. above the x-axis: (-?, -2)
below the x-axis: (-2, ?)
D. above the x-axis: no intervals
below the x-axis: (-?, -2), (-2, ?)
Answer: A
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Determine where the given function is concave up and where it is concave down. f(x) = x3 + 3x2 - x - 24
A. Concave down on (-?, -1) and (1, ?), concave up on (-1, 1) B. Concave up on (-?, -1), concave down on (-1, ?) C. Concave down for all x D. Concave up on (-1, ?), concave down on (-?, -1)
Provide an appropriate response.Solve: 
+ 
= 
Fill in the blank(s) with the appropriate word(s).
Danny is 5 years old and weighs 39.0 pounds. He is sitting on a swing when his sister Stacey pulls him and the swing back horizontally through an angle 
and then stops.
?
?
The figure below is a diagram of the situation.
?
?
This diagram would change if Stacey were to push Danny forward through the angle 
and then hold him in that position. Draw the diagram that corresponds to this new situation.
?
A. 
B. 
C. 
D. 
E. 
Use a calculator to approximate the logarithm to four decimal places.log300 30
A. 1.677 B. 5.7038 C. 3.4012 D. 0.5963