Answer:
Itself
Step-by-step explanation:
Any number divided by itself equals one.
To find out how many brothers they have, they need to multiply 4×1= 4
So there are 4 brothers.
I hope this helped :)
Answer:
![\fbox{Gradient of curve = -6}](https://tex.z-dn.net/?f=%5Cfbox%7BGradient%20of%20curve%20%3D%20-6%7D)
<em><u>Step by step explanation:</u></em>
<em>Given</em>:
Equation of curve ↦ xy = 6
Point ↦(1,6)
<em>To find:</em>
<em>The gradient of curve = ?</em>
Solution:
![Using \: the \: equation, \\ xy = 6 \\](https://tex.z-dn.net/?f=Using%20%5C%3A%20%20the%20%5C%3A%20%20equation%2C%20%5C%5C%20xy%20%3D%206%20%5C%5C%20)
Taking log both the side,
![log(xy) = log(6) \\ log(x) + log(y) = log(6) \\ Taking \: derivative \: both \: the \: side \\ \frac{1}{x} + \frac{1}{y} \cdot\frac{dy}{dx} = \: 0 \\ (Derivative \: of \: any \: constant =0) \\ \frac{1}{y} \cdot\frac{dy}{dx} = - \frac{1}{x} \\ \frac{dy}{dx} = - \frac{y}{x} \\ To \: find \: gradient \: at \: point (1,6) \\ \frac{dy}{dx} \mid_{(1,6)} = \frac{ - 6}{1} \\ \frac{dy}{dx} \mid_{(1,6)} = - 6 \\ \fbox{Gradient of curve = -6}](https://tex.z-dn.net/?f=log%28xy%29%20%3D%20log%286%29%20%5C%5C%20log%28x%29%20%2B%20log%28y%29%20%3D%20log%286%29%20%5C%5C%20Taking%20%5C%3A%20%20derivative%20%5C%3A%20%20both%20%20%5C%3A%20the%20%20%5C%3A%20side%20%20%5C%5C%20%20%5Cfrac%7B1%7D%7Bx%7D%20%20%2B%20%20%5Cfrac%7B1%7D%7By%7D%20%20%5Ccdot%5Cfrac%7Bdy%7D%7Bdx%7D%20%20%3D%20%20%5C%3A%200%20%5C%5C%20%28Derivative%20%20%5C%3A%20of%20%5C%3A%20%20any%20%5C%3A%20%20constant%20%3D0%29%20%5C%5C%20%5Cfrac%7B1%7D%7By%7D%20%20%5Ccdot%5Cfrac%7Bdy%7D%7Bdx%7D%20%3D%20%20-%20%5Cfrac%7B1%7D%7Bx%7D%20%5C%5C%20%5Cfrac%7Bdy%7D%7Bdx%7D%20%20%3D%20-%20%5Cfrac%7By%7D%7Bx%7D%20%5C%5C%20To%20%20%5C%3A%20find%20%20%5C%3A%20gradient%20%20%5C%3A%20at%20%20%5C%3A%20point%20%281%2C6%29%20%5C%5C%20%5Cfrac%7Bdy%7D%7Bdx%7D%20%5Cmid_%7B%281%2C6%29%7D%20%3D%20%20%5Cfrac%7B%20-%206%7D%7B1%7D%20%20%5C%5C%20%20%5Cfrac%7Bdy%7D%7Bdx%7D%20%5Cmid_%7B%281%2C6%29%7D%20%3D%20%20-%206%20%5C%5C%20%5Cfbox%7BGradient%20of%20curve%20%3D%20-6%7D)
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The equation for exponential growth is this: <span>Y=Initial(1+rate<span>)<span>Time</span></span></span><span>Your initial amount of birds is 240. Your rate is 1.16.
How does this correspond to the equation f(x) = ab^x?</span>
Answer:
Mike
Step-by-step explanation:
23 x 5 = 215 and Sarah added instead of multiplying