Integrate the function.
A. tan-1 7x - 
+ C
B. ln 
+ C
C. 
+ C
D. 
tan-1 7x + 
+ C
Answer: D
Mathematics
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Solve the problem.A motorized scooter is purchased for $4000. Its value each year is about 76% of the value the preceding year. Its value, in dollars, after t years is given by the exponential function V(t) = 4000(0.76)t. Find the value of the scooter after 7 years.
A. $585.81 B. $21,280.00 C. $445.21 D. $338.36
Mathematics
Find the sum.-2.1 + (-11.5)
A. 13.6 B. -13.6 C. 9.4 D. -9.4
Mathematics
Use the quotient rule to simplify the expression.
A. 4
B. 
C. 4
D. 5x2
Mathematics
Solve the problem.Is 
= 8 equivalent to 
= 8? Why?
What will be an ideal response?
Mathematics