2/5 x 5/6
=2/6
=1/3
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Answer:

Step-by-step explanation:
We are required to represent the expression given in the standard form to the quadratic form
Given

let us square the given expression
f(x)=(x+3)(x+3)
open brackets

sum the similar terms

<a and <b :
answer
<span>A. Vertical</span>
You need to note first two things.
1. The function f(x) need to be a continuous function on [-3,-1] (indeed f(x) is a polynomial function, is continuous on every real number x)
2. Take the closed interval [-3,-1]
Now, evaluate f(-3) and f(-1).

So, we have f(-3) < 0 and f(-1). So,
, then by the Intermediate Value Theorem, there exist
such that
.
54 buttons ÷ 9 button cards = 6
She should buy 6 cards of buttons.