Answer:
approx. $1.85 or $1.86 each marker
You would subitute -2 for x in the equation
f(-2)=x^2-6
PEMDAS so exonents
-2^2-6
negative times a negative= positive
4-6
f(-2)=-2
f(x) means that you subsitute x for x in the equation exg
f(1)=x+2 means f(1)=1+2
f(4)=x+2 means f(4)=4+2
Answer and Step-by-step explanation:
<u>The area formula for a trapezoid is as follows:</u>
A = 
Where:
A = Area
a = top side length
b = bottom side length
h = height
<u>Plug in the values given to you into the equation and solve.</u>
A = 
A = 
A = 
<u>A = 47.5 </u>
<u> is the answer.</u>
<u></u>
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10x^2y^-2 = 10 x (-1)^2 x (-2)^-2 = 10 x 1 x 1/4 = 10/4 = 2 1/2
16, if there’s no space left and each book is 1 inch wide any number times one is itself, 16(books)x1(inches)=16