Solve the equation graphically by finding x-intercepts.x3 - 9x2 + 27x - 30 = 0
A. x = -1.56
B. x = 1.44
C. x = 4.44
D. x = 3
Answer: C
Mathematics
You might also like to view...
Find the quadratic approximation of f at x = 0.f(x) = tan-1 4x
A. Q(x) = 4x B. Q(x) = 1 + 4x2 C. Q(x) 1 + 2x2 D. Q(x) = 1 - 4x2
Mathematics
Solve the problem.Find the equation of the form y = mx + b for the line through (3, 4) with angle of inclination 
.
A. y = 
x + 1
B. y = x + 4
C. y = x + 3
D. y = x + 1
Mathematics
Solve the problem.The manufacturer of a CD player has found that the revenue R (in dollars) is
when the unit price is p dollars. If the manufacturer sets the price p to maximize revenue, what is the maximum revenue to the nearest whole dollar?
A. $592,900 B. $148,225 C. $296,450 D. $1,185,800
Mathematics
Simplify. Express in terms of i.
A. -2
B. 2
C. -2i
D. 2i
Mathematics