Solve the problem.Write parametric equations for the tangent line to the curve of intersection of the surfaces 
and 
at the point 
A. 
B. 
C. 
D. 
Answer: B
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Use periodic properties of the trigonometric functions to find the exact value of the expression.cot 
A. 
B. 1
C. 
D. -1
Insert the number that gives the desired result.q + 6 + ____ = q
A. 6 B. -12 C. -6 D. 12
The geologist C. F. Richter defined the magnitude of an earthquake to be 
where I is the intensity of the quake (measured by the amplitude of a seismograph 100 km from the epicenter) and S is the intensity of a ”standard” earthquake (where the amplitude is only 
cm). The 1989 Loma Prieta earthquake that shook San Francisco had a magnitude of 7.9 on the Richter scale. The 1906 San Francisco earthquake was 12 times as intense. What was its magnitude on the Richter scale?
a. 12 b. 11 c. 9 d. 14 e. 13
Find x: 3x+42=2(3x+9)
a. 8 b. 4 c. 5 d. 3