Using the letters find the number of 4-letter “words” such that: a) a letter can be repeated; b) letters cannot be repeated, but can be in any order; c) letters cannot be repeated, and must be used in alphabetical order; d) which of the above counting question is a combination and which is a permutation? a “word” is any mixture of the letters.

the answer is d. (1.2, -4.7) on edgn

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(- 1, 0 )

step-by-step explanation:

an x- intercept is where the function crosses the x- axis.

to find the x- intercept/s look for the value of x when f(x) = 0

from the given table there are 3 values of x where f(x) = 0

when x = - 1, x = 2, x = 3

the one that is listed is (- 1, 0 )

point a is the center of the circle that passes through points e, f, and g and the center of the circle that passes through points x, y, and z.

600,000,000,000, or 6e14

step-by-step explanation: