Solve the problem.If an object is propelled upward with an initial velocity of 80 meters per second, then its height in meters after t seconds is given by h = 80t - 4.9t2. After how many seconds will the object reach its maximum height? Round your answer to the nearest tenth.
A. 16.3 seconds
B. 6.7 seconds
C. 8.2 seconds
D. 10.3 seconds
Answer: C
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An objective function and a system of linear inequalities representing constraints are given. Graph the system of inequalities representing the constraints. Find the value of the objective function at each corner of the graphed region. Use these values to determine the maximum value of the objective function and the values of x and y for which the maximum occurs.Objective Functionz = 7x + 3yConstraintsx ? 0 0 ? y ? 2 x - y ? 3 x + 2y ? 6
A. Maximum: 20; at (2, 2) B. Maximum: 31; at (4, 1) C. Maximum: 6; at (0, 2) D. Maximum: 21; at (3, 0)
Provide an appropriate response.A visual aid that is divided into two or more sections to illustrate how partial data relates to the whole is a:
A. circle graph B. line graph C. bar graph D. range graph
Find the perimeter of the figure.Find the perimeter of a triangle with sides measuring 2
, 2
, and 4
meters.
A. 12 + 8
meters
B. 12
+ 8
meters
C. 12
+ 8 meters
D. 20
meters
Write the fraction in lowest terms.
A. 
B. 
C. 
D. 