Decide whether the equation defines y as a function of x. (Remember that to be a function, every value of x must give one and only one value of y.)y = 
A. No
B. Yes
Answer: B
Mathematics
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Find the equation of the line in slope-intercept form. 
A. y = 
x - 
B. y = 
x + 
C. y = 
x + 
D. y = 
x - 
Mathematics
Use a graphing calculator to solve the equation. Round your answer to two decimal places.ex = x2 - 1
A. {-1.15} B. {2.54} C. {0} D. {-0.71}
Mathematics
Using the horizontal-line test, determine whether the function is one-to-one.
A. one-to-one B. not one-to-one
Mathematics
Solve the equation. Express radicals in simplest form.3x2 + 4x + 6 = 0
A. 
B. 
C. {5, 4}
D. ?
Mathematics