Ex at Write the equation of a parabola with the focus at
(3,0) and the directrix at x = -3.
o x2 =-3y
Oy2=-3x
O x2 = 12y
y2 = 12x
DONE

Write the system of equations represented by the matrix. 0 1 2 4 -2 3 6 9 1 0 1 3

The number of nails of a given length is normally distributed with a mean length of 5.00 in, and a standard deviation of 0.03 in. find the number of nails in a bag of 120 that are less than 4.94 in. long.

Proceed as in example 3 in section 6.1 to rewrite the given expression using a single power series whose general term involves xk. ∞ n(n − 1)cnxn − 2 n = 2 − 4 ∞ ncnxn n = 1 + ∞ cnxn n = 0