The rule of the function is to multiply the input by 3, since one yard is equal in length to three feet.
So, if the input is 15.4, the output will be
![f(x)=3x \implies f(15.4)=3\cdot 15.4 = 46.2](https://tex.z-dn.net/?f=f%28x%29%3D3x%20%5Cimplies%20f%2815.4%29%3D3%5Ccdot%2015.4%20%3D%2046.2)
135 mg*1g/1000mg*10dg/1g=1.35 dg
To insert fraction values;
1) Click on "math" found under the alpha option
2) Use right arrow key to move to the tab "FRAC"
3) Select 1st option for fraction
4) Write out Fraction
Hope I helped :)
I bealive if it is the nature of the slope in unison comparing y-intercept elgebra it is Y=3x-3/4
Answer:
B
The answer is B, which is -1.5.