Find dy/dx without eliminating the parameter.x = 4 tan t - 2, y = 6 sec t + 3, t ? 
A. 
sec t
B. 
csc t
C. 
tan t
D. 
sin t
Answer: D
Mathematics
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Express the number in scientific notation.870,000
A. 8.7 × 105 B. 8.7 × 104 C. 8.7 × 10-4 D. 8.7 × 10-5
Mathematics
Solve for the variable.18.1 + 3.4t = 5.52
A. 48.78 B. -3.7 C. -14.3 D. -12.58
Mathematics
Write as a percent. Round the percent to the nearest tenth if necessary.
A. 170% B. 111.8% C. 11.2% D. 65.8%
Mathematics
Solve and graph. Write the solution in interval notation. 
< 2.4
A. 
? 
B. 
C. 
D. 
Mathematics