Answer:
Step-by-step explanation:
We can substitute the given values of 
, 
, and 
to find the value of this expression.
We know that <em>two negatives make a positive. </em>This means that 
will be the same this as 
Adding a negative is the same as subtracting a positive.
Hope this helped!
Answer:
answer is in picture
Step-by-step explanation:
The answer is number 1. Because 12/10 =20/18 is a true statement. None of the others are true
The y intercept and the gradient
Answer:
Find the domain by finding where the expression is defined. The range is the set of values that correspond with the domain.
Domain: (−∞,0)∪(0,∞),{x|x≠0}(-∞,0)∪(0,∞),{x|x≠0}
Range: ,{x|}
