Determine whether the function is periodic. If it is periodic, find the period.f(x) = 7 sin 2x + 2 cos 3x
A. Not periodic
B. ?
C. 2?
D. 6?
Answer: C
Mathematics
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Evaluate the integral by making a substitution and then using a table of integrals.
A. ln 
+ sin t + C
B. ln 
- sin t + C
C. ln 
- sin t + C
D. ln 
+ cos t + C
Mathematics
Solve.One bag of Alice's favorite cookies contains 421 calories. How many calories are in 4 bags of cookies?
A. 1680 cal B. 1600 cal C. 2124 cal D. 1684 cal
Mathematics
Write the decimal in words.4.25
A. Four and twenty-five thousandths B. Four and twenty-five tenths C. Four and twenty-five millionths D. Four and twenty-five hundredths
Mathematics
Find the slope of the line.
A. - 
B. 
C. - 6
D. 6
Mathematics