Use a grapher to find the vertex or x-intercepts, as indicated, of the quadratic function.Find the x-intercepts of the function f(x) = -14.2x2 + 1.93x + 8.73. Round to two decimal places if needed.
A. (-1.07, 0), (1.19, 0)
B. (-0.72, 0), (0.85, 0)
C. (-0.85, 0), (0.72, 0)
D. No x-intercepts
Answer: B
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Convert the angle to decimal degrees and round to the nearest thousandth of a degree.-304°57'41''
A. -304.901 B. -304.961 C. -305.001 D. -304.951
Solve the problem.Water is discharged from a pipeline at a velocity v given by 
where p is the pressure (in psi). If the water pressure is changing at a rate of 
find the acceleration (dv/dt) of the water when 
A. 108 ft/s2 B. 59.3 ft/s2 C. 1990 ft/s2 D. 36.2 ft/s2
Evaluate the integral.
dx
A. 
ln
+ C
B. - 
ln
+ C
C. - 
ln
+ C
D. - 
ln
+ C
Solve the problem.Two friends live 34.5 mi apart. They cycled from their homes, riding toward one another and meeting 
hr later. If one friend cycled 1 mph faster than the other, what were their two rates?
A. 12 mph and 13 mph B. 9 mph and 10 mph C. 11 mph and 12 mph D. 10 mph and 11 mph