Solve the inequality by the test-point method. Write the solution in interval notation.4x - 4 - x2 < 0
A. (2, ?)
B. (-?, 2)
C. (-2, 2)
D. (-?, 2) ? (2, ?)
Answer: D
Mathematics
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Solve the radical equation.
+ 6 = 5
A. ? B. {121} C. {-1} D. {3}
Mathematics
The circle or ellipse shown in the calculator-generated graph was created using function mode with a square viewing window. What are the two functions y1 and y2 that were used to obtain the graph whose equation is given?x2 + 
= 1
A. 
, 
B. 
, 
C. 
, 
D. 
, 
Mathematics
Find the equation of the line tangent to the graph of the function at the indicated point.f(x) = x3 - x2 at (0, 0)
A. y = 0 B. y = -2 C. y = 1 D. y = 3
Mathematics
Convert the angle to decimal degrees and round to the nearest hundredth of a degree.77°39'
A. 77.65° B. 78.65° C. 77.78° D. 77.39°
Mathematics