Use a graphical method to solve the system. Give x- and y-coordinates correct to the nearest hundredth.y = ex+3x2 - 4y2 = 11
A. x = -3.52, y = 0.59
B. x = 2.75, y = 1.28
C. x = 2.75, y = -1.28
D. x = 1.04, y = -0.14; x = 3.52, y = -1.69
Answer: A
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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 is all real numbers, R = 
C. f(x): D = 
, R is all real numbers;
f-1(x): D is all real numbers, R = 
D. f(x): D = 
, R = 
;
f-1(x): D = 
, R = 
Solve the problem.In one U.S. city, the quadratic function 
models the median, or average, age, y, at which men were first married x years after 1900. In which year was this average age at a minimum? (Round to the nearest year.) What was the average age at first marriage for that year? (Round to the nearest tenth.)
A. 1936, 52.3 years old B. 1965, 21.2 years old C. 1954, 36 years old D. 1965, 52.3 years old
Solve the inequality and write the solution set in interval notation.ln x ? 2
A. [0, e2) B. (0, e2) C. (-?, 2] D. (-?, 2)
Solve the rational equation. If there is no solution, state this as your answer.
= 
A. no solution
B. 
C. 
D. {5}