Use the given information to find the exact value of the trigonometric function.sin ? = 
, ? lies in quadrant I
Find sin 
.
A. 
B. 
C. 
D. 
Answer: C
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Find a linear equation whose graph passes through the given points. Write the equation in slope-intercept form.(-4, 7) and (1, -7)
A. y = - 
x - 
B. y = 
x - 
C. y = - 
x - 
D. y = 
x - 
Perform the indicated operation. Simplify, if possible.
- 
A. 0
B. 
C. 8
D. 
Solve the problem. Use the correct number of significant digits.The kinetic energy E of an electron in a television picture tube is given by E = 
mv2, where E is in joules, m is the mass of the electron in kilograms, and v is its speed in meters per second. Find the kinetic energy of an electron if its speed is 
(The mass of an electron is 
A. 3.8 × 10-24 J B. 3.1 × 10-19 J C. 6.3 × 10-17 J D. 3.1 × 10-17 J
The graph of a polar equation is given. Select the polar equation for the graph.
A. r = 5 cos(5?) B. r = 5 + cos(5?) C. r = 5 D. r = 5 sin(5?)