Let 
. Find 
.
?
A. 
B. ?
C. ?
D. 
E. 
Answer: E
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Evaluate the expression.3-2
A. -9
B. 9
C. 
D. 
Sketch the graph of the quadratic function. Identify the vertex and axis of symmetry.f(x) = (x - 6)2 + 1
A. vertex (1, 6)
axis of symmetry: x = 1
B. vertex (-6, 1)
axis of symmetry: x = -6
C. vertex (6, 1)
axis of symmetry: x = 6
D. vertex (-1, -6 )
axis of symmetry: x = -1
Solve the problem.Police use the formula s = 
to estimate the speed s of a car in miles per hour, where d is the distance in feet that the car skidded and f is the coefficient of friction. If the coefficient of friction on a certain gravel road is 0.28 and a car skidded 330 feet, find the speed of the car, to the nearest mile per hour.
A. 2772 mph B. 99 mph C. 53 mph D. 288 mph
Find the value of given trigonometric function. Round your answer to four decimal places.
?
?
A. 
- 0.5000
B. 
0.6000
C. 
0.4000
D. 
0.7000
E. 
0.5000