Answer:
9a-7
Step-by-step explanation:
8a-6+a-1
Collect like terms
8a+a-6-1
= 9a-7
The answer is A. one solution
Answer:
Step-by-step explanation:
At the point (0, 1,0) t = 0
Find the tangent vector:



The tangent vector for all points
is


The vector equation of the tangent line is

The parametric equation for this line are



Answer:
-13
Step-by-step explanation:
see if good