Complete the following:(a) Use the Leading Coefficient Test to determine the graph's end behavior.(b) Find the x-intercepts. State whether the graph crosses the x-axis or touches the x-axis and turns around at each intercept.(c) Find the y-intercept.(d) Graph the function.f(x) = x2(x + 2)
What will be an ideal response?
(a) falls to the left and rises to the right
(b) x-intercepts: (0, 0), touches x-axis and turns; (-2, 0), crosses x-axis
(c) y-intercept: (0, 0)
(d) 
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A value of sinh x or cosh x is given. Use the definitions and the identity 
to find the value of the other indicated hyperbolic function.cosh x = 
, x < 0, sech x =
A. 
B. - 
C. 
D. - 
Solve the equation using the quadratic formula.
- 
r + 
= 0
A. 0 B. {2} C. {-2} D. {-2, 2}
Round the figure to the nearest dollar.$387.21
A. $387.31 B. $388 C. $386 D. $387
Solve the problem.A car dealer advertised a big sale by stretching a string of banners from the top of the building to the edge of the driveway. If the building is 15 m high and the driveway is 39 m from the building, how long is the string of banners?
A. 36.0 m B. 21.2 m C. 41.8 m D. 7.3 m