The graph shown gives the weight of a certain person as a function of age. Find the age at which the person started an exercise program.





a. 20

b. 54

c. 38

d. 30

e. 35


d. 30

Mathematics

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Solve the problem.A 9-ft. board is cut into 2 pieces. If one piece is 5 feet longer than 3 times the shorter piece, find the lengths of both pieces.

A. shorter piece: 22 ft; longer piece: 27 ft B. shorter piece: 4.5 ft; longer piece: 27 ft C. shorter piece: 15 ft; longer piece: 32 ft D. shorter piece: 1 ft; longer piece: 8 ft

Mathematics

Graph the function. 

A.

B.

C.

D.

Mathematics

Find an equation in slope-intercept form for the nonvertical lines. Write the vertical lines in the form x = h.Passing through (6, 9) and (0, -4)

A. y = x - 4
B. y = - x - 4
C. y = - x - 4
D. y = x - 4

Mathematics

Find the relative maximum and minimum values.

Mathematics