Answer:
Step-by-step explanation:
The equation shown in the question can be seen graphed in the image attached below. As you can see with the graphed equation the variable x can be any real number except for -1. This is because a -1 would cause the denominator of the fraction to be equal to 0, and a fraction with a denominator as 0 is a null value and does not exist.
3a to the power of 2 plus 5a minus 2
Draw the triangle and then use Pythagoras' theorem
distance =

= 19.70 (2dp)
A: -5/18
B:1 and 16/35
C: 7/30
D: 7/8