Determine whether the relation is a function.Tips earned by servers at a restaurant one evening:
A. A function
B. Not a function
Answer: A
Mathematics
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Solve the problem.The height h in feet of a projectile thrown upward from the roof of a building after time t seconds is shown in the graph below. How high will the projectile be after 
A. 525 ft B. 450 ft C. 500 ft D. 475 ft
Mathematics
Write the equation of the line in slope-intercept form.m = 
, y-intercept (0, 4)
A. y = - 
x - 4
B. y = 
x - 4
C. y = - 
x + 4
D. y = 
x + 4
Mathematics
Solve the system by substitution.
A. (-4, 7) B. (7, -4) C. (-3, 6) D. (6, -3)
Mathematics
Write the decimal as a fraction. Do not write in lowest terms.0.208
A. 
B. 
C. 
D. 
Mathematics