Solve for "y" and you get y=3x/2-2 and the equation for a line is y= mx+b, I mean the slope is the number which companion the "x" in the line equation, so the slope in your problem is 3/2
Answer: She observed older fossils that contained many of the same minerals as the newer ones
Step-by-step explanation:
Answer:
C.
Step-by-step explanation:
p(x)=sin(x) is an odd function since sin(-x)=-sin(x).
q(x)=cos(x) is an even function since cos(-x)=cos(x).
r(x)=tan(x) is an odd function since tan(-x)=-tan(x).
s(x)=csc(x) is an odd function since csc(-x)=-csc(x).
So the only contender seems to be C.
Let's check. To check we have to plug in (-x) in place of (x) and see if we get the same function back since we are looking for an even function.
![f(x)=\cos(\frac{5\pi}{4}x)](https://tex.z-dn.net/?f=f%28x%29%3D%5Ccos%28%5Cfrac%7B5%5Cpi%7D%7B4%7Dx%29)
Replace (x) with (-x):
![f(-x)=\cos(\frac{5\pi}{4}(-x)](https://tex.z-dn.net/?f=f%28-x%29%3D%5Ccos%28%5Cfrac%7B5%5Cpi%7D%7B4%7D%28-x%29)
![f(-x)=\cos(\frac{-5\pi}{4}x)](https://tex.z-dn.net/?f=f%28-x%29%3D%5Ccos%28%5Cfrac%7B-5%5Cpi%7D%7B4%7Dx%29)
since cosine is even; that is cos(-u)=cos(u) where u in this case is
.
So f is even.
Answer:
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