Graph the function.f(x) = 2- x - 2
A. 
B. 
C. 
D. 
Answer: C
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Change the exponential expression to an equivalent expression involving a logarithm.72 = x
A. logx7 = 2 B. log72 = x C. log2x = 7 D. log7x = 2
Solve the problem.
Jackie Rambler purchased a home for $124,000. Oakwood Mortgage Company approved her loan application for a 22-year fixed-rate loan at 6.25%. Jackie agreed to pay 20% of the purchase price as a down payment. How much interest would she have saved if she made the same loan with the same down payment for 12 years?
A. $41,521.15 B. $51,901.44 C. $43,592.45 D. $37,592.83
Determine i) the domain of the function, ii) the range of the function, iii) the domain of the inverse, and iv) the range of the inverse.f(x) = 
A. f(x): D = 
, R = 
;
f-1(x): D = 
, R = 
B. f(x): D = 
, R = 
;
f-1(x): D is all real numbers, R = 
C. f(x): D = 
, R = 
;
f-1(x): D = 
, R = 
D. f(x): D = 
, R is all real numbers;
f-1(x): D is all real numbers, R = 
Find the unknown length in the right triangle. Round to the nearest thousandth, if necessary.
A. 5.8 ft B. 4.338 ft C. 18.82 ft D. 2.408 ft