Simplify the complex fraction.
A. 
B. 21y(y + 4)
C. 
D. 
Answer: C
Mathematics
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Determine whether the given function is one-to-one. If it is one-to-one, find a formula for the inverse.f(x) = 2x + 7
A. f-1(x) = 
B. f-1(x) = 
C. f-1(x) = 
- 7
D. Not one-to-one
Mathematics
Multiply and simplify any radicals in your answer. Assume that all variables represent positive real numbers.(5x
)(5
)
A. 100x2
B. 75x2
C. 75x
D. 100x
Mathematics
Describe the transformations required to obtain the graph of the function f(x) from the graph of the function g(x).f(x) = sin 
; g(x) = sin 
A. Translate to the left 
units
B. Translate to the left 
units
C. Translate to the right 
units
D. Translate to the right 
units
Mathematics
Plot the point on the given axes.(-2, 1)
A. 
B. 
C. 
D. 
Mathematics