Identify the base and the exponent for the exponential expression.-3x4
A. Base: 3x, exponent: 4
B. Base: 4, exponent: -3x
C. Base: -3x, exponent: 4
D. Base: x, exponent: 4
Answer: D
Mathematics
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Solve the problem.Use the fact that tan-1 x = 
for |x| < 1 to find the series for cot-1 x.
A. 
B. 
C. 
- 
D. 
- 
Mathematics
Find a formula for the inverse of the function described below.A size 6 dress in Country C is size 36 in Country D. A function that converts dress sizes in Country C to those in Country D is 
A. f-1(x) = x - 12
B. f-1(x) = 
C. f-1(x) = 
- 12
D. f-1(x) = 
+ 12
Mathematics
Solve the equation by completing the square.x2 + 8x = 7
A. {4 + 
}
B. {-4 ± 
}
C. {-1 ± 
}
D. {-4 ± 1
}
Mathematics
Perform the indicated operations and simplify the result. Leave the answer in factored form.
? 
A. 
B. 
C. 
D. 
Mathematics