Answer:
Step-by-step explanation:
Using provided formula and filling in the variables:
z = 
Filling in in calculator:
z ≈ -1.34
Answer:
13
Step-by-step explanation:
because I did the math and I learned this today it's simple
Answer:
Yes
Step-by-step explanation:
Yes it is a function, because graph is intersecting y - axis only once.
Answer:vertices
Step-by-step explanation: