Answer:
a. 400
b. 4$
Step-by-step explanation:
2$ equals 0 Quantity
3$ equals 100 Quantity
4$ equals 200 Quantity
We can see that starting from 2$, a dollar will increase the Quantity by 100
A. axis of symmetry: vertex: (–0.5, –0.5)
Answer:59x-36y
Step-by-step explanation:
-5(4y-7x)+8(3x-2y)
Open the brackets
-20y+35x+24x-16y
Collect like terms
-20y-16y+35x+24x
-36y+59x
Rearrange we get
59x-36y
Multiply numerator and denominator by sin(x) * cos(x), getting:
((sin(x) * cos(x)) - cos^2(x) / (((sin^2(x)) - (sin(x) * cos(x))) =
(cos(x) * (sin(x) - cos(x)))
------------------------------------
(sin(x) * (sin(x) - cos(x)))
and after you cancel the two identical terms (sin(x) - cos(x)), you have:
cos(x)
----------- = cot(x) <--------------- Answer
sin(x)