4 years ago

How to you express area of each square as monomial

1 answer:

6 0

The area of a rectangle (including squares) is defined as length times width or the equation:

A=l×w

However a square has the special property where length equals width which is represented by this equation:

l=w

So replace one of the variables with the other to get this new equation:

l×w=A
(w)×w=A
w^2=A

Often times for square the variable is represented as an s so:

s^2

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A). A(n)= 46-n * (4-1) B). A(n)= 46 - (n-1)*4 C). A(n)= 46 - 4^n-1 D). A(n)= 46 - 4^n+1

UkoKoshka [18]

I think it is answer C.

4 0

4 years ago

If f(x) = 2x - 4 and g(x) = x^2+3, find each value. 19. (f - g)(x) 20. (f • g)(x)

just olya [345]

Step-by-step explanation:

$(f - g)(x) = f(x) - g(x) \\ \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: = (2x - 4) - ( {x}^{2} + 3) \\ \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: = 2x - 4 - {x}^{2} - 3 \\ \red{ \boxed{\therefore (f - g)(x) = - {x}^{2} + 2x - 7}}$