The function f is one-to-one. State the domain and the range of f and f-1. Write the domain and range in set-builder notation.f(x) = 
A. f(x): D = 
, R = 
;
f-1(x): D = 
, R = 
B. f(x): D = 
, R = 
;
f-1(x): D = 
, R = 
C. f(x): D is all real numbers, R is all real numbers;
f-1(x): D is all real numbers, R is all real numbers
D. f(x): D = 
, R = 
;
f-1(x): D = 
, R = 
Answer: D
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A. logx 21
B. 
C. logx 196
D. logx 4
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A. 
B. 
C. 
D. 
Change the mixed number into an improper fraction.6
A. 
B. 
C. 
D. 
Suppose that a certain product has the following demand and supply functions, where p is the price per unit in dollars and q is the quantity produced.
?
Demand: 
Supply: 
?
If a $15 tax per item is levied on the supplier, who passes it on to the consumer as a price increase, find the market equilibrium point after the tax.
?
A. 
B. 
C. 
D. 
E. 