Solve graphically to two decimal places using a graphing calculator.1.9x2 - 3.1x - 2.7 ? 0
A. x < -2.26 or x > 0.63
B. -2.26 < x < 0.63
C. -0.63 < x < 2.26
D. x < -0.63 or x > 2.26
Answer: C
Mathematics
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Simplify the expression.e3 ln x
A. 3x
B. ex3
C. 
D. x3
Mathematics
Give the center and radius of the circle described by the equation and graph the equation.(x + 2)2 + (y - 3)2 = 9
A. center (- 2, - 3), r = 3
B. center (2, 3), r = 3
C. center (- 2, 3), r = 3
D. center (2, - 3), r = 3
Mathematics
Provide an appropriate response.The three-part inequality a < x ? b means "a is less than x and x is less than or equal to b". Which of these inequalities is not satisfied by any real number x?
A. 0 < x ? 4 B. -2 < x ? 6 C. -5 < x ? -11 D. -8 < x ? -7
Mathematics
Find the indicated intercept(s) of the graph of the function.y-intercept of f(x) = 
A. 
B. (0, 4)
C. (0, 4)
D. 
Mathematics