Answer:
Step-by-step explanation:
Each <u>x-value corresponds to only a single y-value</u>.
Here, the relation is : <u>y = 5x</u>
This relation is <u>injective</u>, meaning it is a one-to-one function.
Answer:
19
Step-by-step explanation:
The square represents a right angle, 90 degrees, so all you do is subtract the 22 from 90. which is 68. 68 then is subtracted by 11, and you're left with 57. You then divide 57 by 3, because you have 3 x and you want to find x. And you get 19
No it is not a natural number
Answer:
x = 1 and x = 
Step-by-step explanation:
In this equation, a=5, b=-1, c=-4.
Plug these into the quadratic formula:
x =
and x = 
Now, simplify the equations:
x =
=
=
= 1
and
x =
=
=
= 