Describe the solution set as an inequality and in interval notation. |5x + 4| - 7 < -9
A. x < - 
or x > - 
; 
? 
B. - 
< x < - 
; 
C. empty set
D. the set of real numbers; (-?, ?)
Answer: C
Mathematics
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Solve the problem.Find the point on the parabola x = t2, y = t, -? < t < ?, closest to the point 
. (Hint: Minimize the square of the distance as a function of t.)
A. (0, 0)
B. (4, 2)
C. (1, 1)
D. 
Mathematics
Use a graphing utility to graph the function over the indicated interval and approximate any local maxima and local minima. If necessary, round answers to two decimal places.f(x) = 2 + 8x - x2; (-5, 5)
A. local minimum at (4, 50) B. local maximum at (-4, 50) C. local minimum at (-4, 18) D. local maximum at (4, 18)
Mathematics
Multiply.46.677 × 100
A. 466.77 B. 4667.7 C. 4617.7 D. 486.77
Mathematics
Solve the equation.s - 4 = 19
A. 15 B. -15 C. -23 D. 23
Mathematics