Solve the rational inequality and graph the solution set on a real number line. Express the solution set in interval notation.
< 0
A. (-?, -3) or (4, ?)
B. (4, ?)
C. (-?, -3)
D. (-3, 4)
Answer: D
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Find the point(s) where the slope of a tangent line to the given curve has the given value. y = 2x3 - 6x2 - 47x, mtan = 1
A. (0, 0), (-2, 54) B. (4, -156), (1, -51) C. (-4, -36), (-156, -102) D. (4, -156), (-2, 54)
Solve.A whispering gallery is a room in the shape of an elliptic reflector. If a source of sound is placed at one focal point of an elliptic reflector, the sound is reflected through the other focal point. If one person speaks at one focal point, then another person at the other can hear sounds as faint as a whisper. If the whispering gallery is based on the ellipse 
+ 
= 1, how many units from the center of the ellipse would the two people stand?
A. 5 units B. 4 units C. 3 units D. 16 units
Find an equation in slope-intercept form of the line satisfying the specified conditions.A horizontal line that passes through the point (5, 2)
A. y = 5 B. x = 2 C. y = 2 D. x = 5
The function 
satisfies the hypotheses of Rolle’s Theorem on the interval 
Find all values of c that satisfy the conclusion of the theorem.
a. ±5 b. 5 c. ±4 d. 4