Answer:

Step-by-step explanation:

y intercept is when x = 0
So, Putting x = 0 in the above function
=> f(0) = 
=> f(0) = 2*1
=> f(0) = 2
So, y-intercept is (0,2)
Answer:
60
Step-by-step explanation:
15 times 5 is 75 75 minus 15 is 60 so the answer is 60
Answer:
a. 
Step-by-step explanation:
The given vector is v= 4i - 5j
The magnitude of this vector is;



The unit vector u in the direction of v is;



We rationalize to get
