9. A store runs a promotion in which one out of four boxes of a certain item includes a coupon for $1 off the purchase price. The store sells 50 boxes of this item per day. Which of the following would represent
the probability of buying a box that does not include a coupon?
Answer choices:
X
P
N
Q
HELP PLS

9. A store runs a promotion in which one out of four boxes of a certain item includes a coupon for $1 off

the purchase price. The store sells 50 boxes of this item per day. Which of the following would represent

the probability of buying a box that does not include a coupon?

the Ansewer is Q

the formula of a slope:

from a table we have

substitute:

the slope of f(x) is -1.

the graph of funcfion g(x) is a horizontal line. the slope of a horizontal line is equal 0. therefore the slope of g(x) is 0.

-1 < 0

or

step-by-step explanation:

we need to solve for 'x' the following equation:  

we have that:

⇒

⇒ ⇒

factorizing, we get that:

  ⇒

then, the solutions are: or

nothing extraneous has been found!